Update GH Actions

.github/workflows/build.yml

@@ -0,0 +1,27 @@
+name: Build Workflow
+on:
+  push:
+    tags: # Build on tag creation (any)
+      - *
+jobs:
+  test-n-lint:
+    uses: ./.github/workflows/test-n-lint.yml
+  build:
+    name: Build the image
+    runs-on: ubuntu-latest
+    needs: [test] # Requires "Test & Lint" workflow to succeed
+    steps:
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+      - name: Login to Docker Hub
+        uses: docker/#-action@v3
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+      - name: Build and push
+        uses: docker/build-push-action@v6
+        with:
+          push: true
+          tags: ${{ vars.DOCKERHUB_PROJECT }}:latest
+          cache-from: type=gha
+          cache-to: type=gha,mode=max