Correct PR image tags SHA

Currently the SHA - based on the action - seems to not be aware of the branch.
So it always uses the head SHA of the default branch.
This change ensures it uses the SHA of the PR at the time it's built.

.github/workflows/pr-debug-publish.yaml

@@ -40,7 +40,7 @@ jobs:
           echo "Fetching details for PR #$pr_number"
           pr_response=$(gh api repos/${{ github.repository }}/pulls/$pr_number)
           head_sha=$(echo "$pr_response" | jq -r '.head.sha')
-          echo "::set-output name=head_sha::$head_sha"
+          echo "head_sha=$head_sha" >> $GITHUB_OUTPUT
       - name: Checkout PR Head
         uses: actions/checkout@v3
         with:
@@ -60,7 +60,7 @@ jobs:
         with:
           images: ${{ env.GHCR_REGISTRY }}/${{ env.IMAGE_NAME }}/helm-locker
           tags: |
-            type=sha,prefix=pr-${{ github.event.inputs.pr_number }}-
+            type=raw,prefix=pr-${{ github.event.inputs.pr_number }}-${{ steps.get_head_sha.outputs.head_sha }}
             type=raw,value=pr-${{ github.event.inputs.pr_number }}
       - name: Build and push helm-locker image
         id: push
@@ -78,7 +78,7 @@ jobs:
         with:
           images: ${{ env.GHCR_REGISTRY }}/${{ env.IMAGE_NAME }}/helm-project-operator
           tags: |
-            type=sha,prefix=pr-${{ github.event.inputs.pr_number }}-
+            type=raw,prefix=pr-${{ github.event.inputs.pr_number }}-${{ steps.get_head_sha.outputs.head_sha }}
             type=raw,value=pr-${{ github.event.inputs.pr_number }}
       - name: Build Helm-Project-Operator image
         uses: docker/build-push-action@v5
@@ -95,7 +95,7 @@ jobs:
         with:
           images: ${{ env.GHCR_REGISTRY }}/${{ env.IMAGE_NAME }}
           tags: |
-            type=sha,prefix=pr-${{ github.event.inputs.pr_number }}-
+            type=raw,prefix=pr-${{ github.event.inputs.pr_number }}-${{ steps.get_head_sha.outputs.head_sha }}
             type=raw,value=pr-${{ github.event.inputs.pr_number }}
       - name: Build Prometheus Federator image
         uses: docker/build-push-action@v5