feat: v6 (#2717)

* feat: update author and committer input defaults

* Update github-actions[bot]

* Update author to new email format

* feat: optional input for git ops token

* feat: allow push-to-fork to push to sibling repos (#2414)

Fixes #2412.

* build: update dist

* feat: update action runtime to node 20 (#2340)

* feat: add truncate warning to pull request body

* perf: unshallow only when necessary

* fix: remove the remote for the fork on completion

* feat: infer github server and api urls

* test: integration test fixes

* build: bump major version

* docs: update to v6

---------

Co-authored-by: Teko <112829523+Teko012@users.noreply.github.com>
Co-authored-by: Benjamin Gilbert <bgilbert@backtick.net>

.github/workflows/update-major-version.yml

@@ -11,8 +11,8 @@ on:
         type: choice
         description: The major version tag to update
         options:
-          - v4
           - v5
+          - v6
 
 jobs:
   tag: