fix: use shell var for jq --arg title in deploy-dev/deploy-uat (CAR-1436)

ci(CAR-1423): two-stage load->push to fix auth manifest push (#41)

.gitea/workflows/ci.yml

@@ -59,11 +59,21 @@ jobs:
             type=raw,value=${{ steps.calver.outputs.version }},enable=${{ github.ref == 'refs/heads/main' }}
             type=raw,value=latest,enable=${{ github.ref == 'refs/heads/main' }}
 
-      - name: Build and push Docker image
+      - name: Build Docker image
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          load: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+
+      - name: Push Docker image
         uses: docker/build-push-action@v6
         with:
           context: .
           push: true
+          provenance: false
+          sbom: false
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
 
@@ -132,7 +142,8 @@ jobs:
             echo "::notice::Refusing to push directly to protected branch — falling back to contents API"
             exit 0
           fi
-          PR_BODY=$(jq -n --arg head "cartsnitch:${BRANCH}" --arg base dev --arg title ("ci(dev): update auth image (" + env.GITHUB_SHA[:12] + ")") --arg body "Bumps apps/overlays/dev/kustomization.yaml auth newTag to \`${{ steps.tag.outputs.tag }}\` from cartsnitch/auth CI build $GITHUB_SHA." \
+          TITLE="ci(dev): update auth image (${GITHUB_SHA::12})"
+          PR_BODY=$(jq -n --arg head "cartsnitch:${BRANCH}" --arg base dev --arg title "$TITLE" --arg body "Bumps apps/overlays/dev/kustomization.yaml auth newTag to \`${{ steps.tag.outputs.tag }}\` from cartsnitch/auth CI build $GITHUB_SHA." \
             '{head: $head, base: $base, title: $title, body: $body}')
           PR_JSON=$(curl -sS -X POST \
             -H "Authorization: token ${CI_GITEA_TOKEN}" \
@@ -233,7 +244,8 @@ jobs:
             echo "::notice::Refusing to push directly to protected branch — falling back to contents API"
             exit 0
           fi
-          PR_BODY=$(jq -n --arg head "cartsnitch:${BRANCH}" --arg base uat --arg title ("ci(uat): update auth image (" + env.GITHUB_SHA[:12] + ")") --arg body "Bumps apps/overlays/uat/kustomization.yaml auth newTag to \`${{ steps.tag.outputs.tag }}\` from cartsnitch/auth CI build $GITHUB_SHA." \
+          TITLE="ci(uat): update auth image (${GITHUB_SHA::12})"
+          PR_BODY=$(jq -n --arg head "cartsnitch:${BRANCH}" --arg base uat --arg title "$TITLE" --arg body "Bumps apps/overlays/uat/kustomization.yaml auth newTag to \`${{ steps.tag.outputs.tag }}\` from cartsnitch/auth CI build $GITHUB_SHA." \
             '{head: $head, base: $base, title: $title, body: $body}')
           PR_JSON=$(curl -sS -X POST \
             -H "Authorization: token ${CI_GITEA_TOKEN}" \