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>

src/git-command-manager.ts

@@ -105,7 +105,8 @@ export class GitCommandManager {
   async fetch(
     refSpec: string[],
     remoteName?: string,
-    options?: string[]
+    options?: string[],
+    unshallow = false
   ): Promise<void> {
     const args = ['-c', 'protocol.version=2', 'fetch']
     if (!refSpec.some(x => x === tagsRefSpec)) {
@@ -113,7 +114,9 @@ export class GitCommandManager {
     }
 
     args.push('--progress', '--no-recurse-submodules')
+
     if (
+      unshallow &&
       utils.fileExistsSync(path.join(this.workingDirectory, '.git', 'shallow'))
     ) {
       args.push('--unshallow')