Bump doctrine/.github/.github/workflows/continuous-integration-symfony-unstable.yml

Bumps [doctrine/.github/.github/workflows/continuous-integration-symfony-unstable.yml](https://github.com/doctrine/.github) from 12.2.0 to 13.0.0.
- [Release notes](https://github.com/doctrine/.github/releases)
- [Commits](doctrine/.github@v12.2.0...13.0.0)

---
updated-dependencies:
- dependency-name: doctrine/.github/.github/workflows/continuous-integration-symfony-unstable.yml
  dependency-version: 13.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/continuous-integration.yml

@@ -20,7 +20,7 @@ jobs:
 
   phpunit-with-dev-deps:
     name: "PHPUnit with dev dependencies"
-    uses: "doctrine/.github/.github/workflows/continuous-integration-symfony-unstable.yml@v12.2.0"
+    uses: "doctrine/.github/.github/workflows/continuous-integration-symfony-unstable.yml@13.0.0"
     with:
       symfony-version-constraint: "^7"
     secrets: