Bump johnbillion/action-wordpress-plugin-attestation from 0.7.2 to 0.7.3 (#638)

Bumps [johnbillion/action-wordpress-plugin-attestation](https://github.com/johnbillion/action-wordpress-plugin-attestation) from 0.7.2 to 0.7.3.
- [Release notes](https://github.com/johnbillion/action-wordpress-plugin-attestation/releases)
- [Commits](johnbillion/action-wordpress-plugin-attestation@0.7.2...0.7.3)

---
updated-dependencies:
- dependency-name: johnbillion/action-wordpress-plugin-attestation
  dependency-version: 0.7.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Dennis Ploetner <re@lloc.de>

Author: dependabot[bot]

.github/workflows/deploy.yml

@@ -29,6 +29,6 @@ jobs:
         with:
           generate-zip: true
       - name: Attest build provenance
-        uses: johnbillion/action-wordpress-plugin-attestation@0.7.2
+        uses: johnbillion/action-wordpress-plugin-attestation@0.7.3
         with:
           zip-path: ${{ steps.deploy.outputs.zip-path }}