v4 (#1099)

* feat: update action runtime to node 16

* feat: allow add-paths to resolve to no changes

* docs: update readme

* chore: update package lock

* chore: bump dependency

* ci: add dependabot workflow

* docs: update action versions

README.md

@@ -21,20 +21,20 @@ Create Pull Request action will:
 
 - [Concepts, guidelines and advanced usage](docs/concepts-guidelines.md)
 - [Examples](docs/examples.md)
-- [Updating to v3](docs/updating.md)
+- [Updating to v4](docs/updating.md)
 
 ## Usage
 
 ```yml
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
 
       # Make changes to pull request here
 
       - name: Create Pull Request
-        uses: peter-evans/create-pull-request@v3
+        uses: peter-evans/create-pull-request@v4
 ```
 
-You can also pin to a [specific release](https://github.com/peter-evans/create-pull-request/releases) version in the format `@v3.x.x`
+You can also pin to a [specific release](https://github.com/peter-evans/create-pull-request/releases) version in the format `@v4.x.x`
 
 ### Action inputs
 
@@ -46,7 +46,7 @@ All inputs are **optional**. If not set, sensible defaults will be used.
 | --- | --- | --- |
 | `token` | `GITHUB_TOKEN` (permissions `contents: write` and `pull-requests: write`) or a `repo` scoped [Personal Access Token (PAT)](https://docs.github.com/en/github/authenticating-to-github/creating-a-personal-access-token). | `GITHUB_TOKEN` |
 | `path` | Relative path under `GITHUB_WORKSPACE` to the repository. | `GITHUB_WORKSPACE` |
-| `add-paths` | A comma or newline-separated list of file paths to commit. Paths should follow git's [pathspec](https://git-scm.com/docs/gitglossary#Documentation/gitglossary.txt-aiddefpathspecapathspec) syntax. Defaults to adding all new and modified files. See [Add specific paths](#add-specific-paths). | `-A` |
+| `add-paths` | A comma or newline-separated list of file paths to commit. Paths should follow git's [pathspec](https://git-scm.com/docs/gitglossary#Documentation/gitglossary.txt-aiddefpathspecapathspec) syntax. If no paths are specified, all new and modified files are added. See [Add specific paths](#add-specific-paths). | |
 | `commit-message` | The message to use when committing changes. | `[create-pull-request] automated change` |
 | `committer` | The committer name and email address in the format `Display Name <email@address.com>`. Defaults to the GitHub Actions bot user. | `GitHub <noreply@github.com>` |
 | `author` | The author name and email address in the format `Display Name <email@address.com>`. Defaults to the user who triggered the workflow run. | `${{ github.actor }} <${{ github.actor }}@users.noreply.github.com>` |
@@ -68,7 +68,7 @@ All inputs are **optional**. If not set, sensible defaults will be used.
 For self-hosted runners behind a corporate proxy set the `https_proxy` environment variable.
 ```yml
       - name: Create Pull Request
-        uses: peter-evans/create-pull-request@v3
+        uses: peter-evans/create-pull-request@v4
         env:
           https_proxy: http://<proxy_address>:<port>
 ```
@@ -88,7 +88,7 @@ Note that in order to read the step outputs the action step must have an id.
 ```yml
       - name: Create Pull Request
         id: cpr
-        uses: peter-evans/create-pull-request@v3
+        uses: peter-evans/create-pull-request@v4
       - name: Check outputs
         if: ${{ steps.cpr.outputs.pull-request-number }}
         run: |
@@ -147,12 +147,11 @@ If there are files or directories you want to ignore you can simply add them to
 
 You can control which files are committed with the `add-paths` input.
 Paths should follow git's [pathspec](https://git-scm.com/docs/gitglossary#Documentation/gitglossary.txt-aiddefpathspecapathspec) syntax.
-Each path must resolve to a least one new or modified file to add.
 All file changes that do not match one of the paths will be discarded.
 
 ```yml
       - name: Create Pull Request
-        uses: peter-evans/create-pull-request@v3
+        uses: peter-evans/create-pull-request@v4
         with:
           add-paths: |
             *.java
@@ -166,7 +165,7 @@ Note that the repository must be checked out on a branch with a remote, it won't
 
 ```yml
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Create commits
         run: |
           git config user.name 'Peter Evans'
@@ -179,7 +178,7 @@ Note that the repository must be checked out on a branch with a remote, it won't
       - name: Uncommitted change
         run: date +%s > report.txt
       - name: Create Pull Request
-        uses: peter-evans/create-pull-request@v3
+        uses: peter-evans/create-pull-request@v4
 ```
 
 ### Create a project card
@@ -189,11 +188,11 @@ To create a project card for the pull request, pass the `pull-request-number` st
 ```yml
       - name: Create Pull Request
         id: cpr
-        uses: peter-evans/create-pull-request@v3
+        uses: peter-evans/create-pull-request@v4
 
       - name: Create or Update Project Card
         if: ${{ steps.cpr.outputs.pull-request-number }}
-        uses: peter-evans/create-or-update-project-card@v1
+        uses: peter-evans/create-or-update-project-card@v2
         with:
           project-name: My project
           column-name: My column
@@ -217,14 +216,14 @@ jobs:
   createPullRequest:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
 
       - name: Make changes to pull request
         run: date +%s > report.txt
 
       - name: Create Pull Request
         id: cpr
-        uses: peter-evans/create-pull-request@v3
+        uses: peter-evans/create-pull-request@v4
         with:
           token: ${{ secrets.PAT }}
           commit-message: Update report