Use github.ref_name for building snapshots

Closes gh-42866

Author: snicoll

.github/workflows/build-and-deploy-snapshot.yml

@@ -27,7 +27,7 @@ jobs:
       - name: Deploy
         uses: spring-io/artifactory-deploy-action@dc1913008c0599f0c4b1fdafb6ff3c502b3565ea # v0.0.2
         with:
-          build-name: ${{ vars.COMMERCIAL && format('spring-boot-commercial-{0}', '3.4.x') || format('spring-boot-{0}', '3.4.x') }}
+          build-name: ${{ vars.COMMERCIAL && format('spring-boot-commercial-{0}', github.ref_name) || format('spring-boot-{0}', github.ref_name) }}
           folder: 'deployment-repository'
           password: ${{ vars.COMMERCIAL && secrets.COMMERCIAL_ARTIFACTORY_PASSWORD || secrets.ARTIFACTORY_PASSWORD }}
           project: ${{ vars.COMMERCIAL && 'spring' }}