Changelog fetch (open-telemetry#42340)

This is a redo of
open-telemetry#41849
with a fix, use quotes around the value '0' so it is not assimilated to
false.

---------

Co-authored-by: Paulo Janotti <[email protected]>
Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

Author: 3 people

.github/workflows/changelog.yml

@@ -32,7 +32,8 @@ jobs:
     steps:
       - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
         with:
-          fetch-depth: 0
+          # Fetch complete history depth only if the PR is not a chore.
+          fetch-depth: ${{ !contains(github.event.pull_request.labels.*.name, 'dependencies') && !contains(github.event.pull_request.labels.*.name, 'Skip Changelog') && !contains(github.event.pull_request.title, '[chore]') && '0' || '1' }}
       - uses: actions/setup-go@d35c59abb061a4a6fb18e82ac0862c26744d6ab5 # v5
         with:
           go-version: oldstable