Pin docker/build-push-action@v5 and add ntfy.sh action

.github/workflows/build.yml

@@ -36,7 +36,7 @@ jobs:
           password: ${{ secrets.DOCKER_PASSWORD }}
 
       - name: Build and Push Docker image
-        uses: docker/build-push-action@master
+        uses: docker/build-push-action@v5
         with:
           context: .
           push: true
@@ -44,3 +44,11 @@ jobs:
           tags: git.joshuacoles.me/${{ github.repository }}:latest,git.joshuacoles.me/${{ github.repository }}:${{ github.sha }}
           cache-from: type=gha
           cache-to: type=gha,mode=max
+
+      - uses: robiningelbrecht/ntfy-action@v1.0.0
+        name: Notify via ntfy.sh
+        if: always()
+        with:
+          url: ${{ secrets.NTFY_URL }}
+          topic: ${{ secrets.NTFY_TOPIC }}
+          job_status: ${{ job.status }}