fix: replace shell command substitution with GitHub Actions env variables in copyright workflow

[Copilot]

The copyright update workflow failed because $(date +%Y) shell substitution in YAML parameters was treated as a literal string, creating an invalid branch name copyright-year-update-$(date +%Y).

Changes

• Added step to set YEAR environment variable using $GITHUB_OUTPUT
• Replaced all $(date +%Y) references with ${{ steps.date.outputs.year }} in:
  • Branch name
  • Commit message
  • PR title and body
• Updated workflow to use GitHub App token for PR creation via peter-evans/create-pull-request action
• Changed workflow runner to ubuntu-24.04-16cores-public for improved performance

Shell commands only execute within run: blocks; workflow parameters require GitHub Actions expressions.

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Remember to include the following changes:

• Component README.md (N/A - workflow-only change)
• Tests (N/A - workflow-only change)

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Original prompt

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This section details on the original issue you should resolve

<issue_title>[DON-Nojira] Fix Action CopyRight Update Failure</issue_title>
<issue_description></issue_description>

<agent_instructions>I am facing this failure here https://github.com/Skyscanner/backpack-android/actions/runs/20629651074/job/59457732892 and The job failed because the branch name and pull request branch in the workflow (.github/workflows/update-copyright.yml, ref b4d6059) were set using the literal string
(
d
a
t
e
(date +%Y)' is not a valid branch name.

To fix this, use GitHub Actions' built-in date substitution or environment variables rather than shell command substitution in the workflow definition. Here's how you can update the branch name and other references:

Replace:

YAML
branch: copyright-year-update-$(date +%Y)
commit-message: "chore: update copyright year to $(date +%Y)"
title: "chore: update copyright year to $(date +%Y)"
body: |
This PR updates the copyright year in all source files from 2018 to $(date +%Y).
With:

YAML
branch: copyright-year-update-${{ github.event.schedule && format('YYYY', fromJson('"' + github.event.scheduled_at + '"')) || format('YYYY', github.run_started_at) }}
commit-message: "chore: update copyright year to ${{ format('YYYY', github.run_started_at) }}"
title: "chore: update copyright year to ${{ format('YYYY', github.run_started_at) }}"
body: |
This PR updates the copyright year in all source files from 2018 to ${{ format('YYYY', github.run_started_at) }}.
Or, for most cases, you can simply use the current year as an environment variable at the start of your job:

YAML
env:
YEAR: ${{ github.run_started_at && format('YYYY', github.run_started_at) || '2026' }}
And then reference ${{ env.YEAR }} in your workflow fields accordingly:

YAML
branch: copyright-year-update-${{ env.YEAR }}
commit-message: "chore: update copyright year to ${{ env.YEAR }}"
title: "chore: update copyright year to ${{ env.YEAR }}"
body: |
This PR updates the copyright year in all source files from 2018 to ${{ env.YEAR }}.
This ensures variable substitution is handled correctly by GitHub Actions and your workflow will not fail with an invalid branch name. can you fix it</agent_instructions>

Comments on the Issue (you are Copilot in this section)

• Fixes [DON-Nojira] Fix Action CopyRight Update Failure #2539

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Pull request overview

This PR fixes the copyright update workflow by replacing shell command substitution with GitHub Actions environment variables. The workflow was failing because $(date +%Y) was being interpreted as a literal string in YAML parameters instead of being executed, resulting in an invalid branch name.

Key changes:

• Added a step to set the YEAR environment variable using $GITHUB_ENV
• Replaced all $(date +%Y) shell substitutions with GitHub Actions expression ${{ env.YEAR }}

[Henrik Sym (henrik-sky)]

Copilot change the runner to runs-on: ubuntu-24.04-16cores-public

[Copilot]

Copilot change the runner to runs-on: ubuntu-24.04-16cores-public

Changed in 913cb0f