build(deps): bump italia/publiccode-parser-action from 1.5.0 to 1.5.1 (#590)

Bumps [italia/publiccode-parser-action](https://github.com/italia/publiccode-parser-action) from 1.5.0 to 1.5.1.
- [Release notes](https://github.com/italia/publiccode-parser-action/releases)
- [Commits](italia/publiccode-parser-action@v1.5.0...v1.5.1)

---
updated-dependencies:
- dependency-name: italia/publiccode-parser-action
  dependency-version: 1.5.1
  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>

Author: dependabot[bot]

.github/workflows/publiccode-validation.yml

@@ -5,6 +5,6 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v6
-    - uses: italia/publiccode-parser-action@v1.5.0
+    - uses: italia/publiccode-parser-action@v1.5.1
       with:
         publiccode: 'publiccode.yml'