Fix RelativeCI format issues

[silamon]

Proposed change

Fixes: The template is not valid.
.github/workflows/relative-ci.yaml (Line: 24, Col: 16): The following format string references more arguments than were supplied: RELATIVE_CI_KEY_{1}_{2},
.github/workflows/relative-ci.yaml (Line: 26, Col: 17): The following format string references more arguments than were supplied: {1}-{2},
.github/workflows/relative-ci.yaml (Line: 27, Col: 25): The following format string references more arguments than were supplied: {1}-bundle-stats,
.github/workflows/relative-ci.yaml (Line: 28, Col: 37): The following format string references more arguments than were supplied: {1}-{2}.json

Expressions link: https://docs.github.com/en/actions/learn-github-actions/expressions#format

Type of change

• Dependency upgrade
• Bugfix (non-breaking change which fixes an issue)
• New feature (thank you!)
• Breaking change (fix/feature causing existing functionality to break)
• Code quality improvements to existing code or addition of tests

Example configuration

Additional information

• This PR fixes or closes issue: fixes #
• This PR is related to issue or discussion:
• Link to documentation pull request:

Checklist

• The code change is tested and works locally.
• There is no commented out code in this PR.
• Tests have been added to verify that the new code works.

If user exposed functionality or configuration variables are added/changed:

• Documentation added/updated for www.home-assistant.io