ci: Added build-image step to deploy-staging workflow

.github/composite/build-image/action.yaml

@@ -0,0 +1,53 @@
+name: "Build & Upload Docker Image"
+description: "Build & (optionally) upload Docker Image to Docker Registry"
+
+inputs:
+  DOCKER_UPLOAD:
+    description: "Boolean indicating whether the image should be uploaded to Docker registry or not."
+    required: false
+    default: "true"
+  ENVIRONMENT:
+    description: "'staging' or 'production'"
+    required: true
+
+outputs:
+  tag:
+    description: "Built Docker image tag (git SHA, with optional prefix)"
+    value: ${{ steps.build-image.outputs.tag }}
+
+runs:
+  using: "composite"
+  steps:
+    - name: Set up pnpm
+      uses: pnpm/action-setup@v5
+      with:
+        version: 10.24.0
+        cache: true
+        cache_dependency_path: js/pnpm-lock.yaml
+        package_json_file: js/package.json
+
+    - name: Install JS dependencies
+      shell: bash
+      run: pnpm install --frozen-lockfile
+      working-directory: js
+
+    - name: Set up OpenJDK 25
+      uses: actions/setup-java@v5
+      with:
+        distribution: "temurin"
+        java-version: "25"
+
+    - name: Cache Maven packages
+      uses: actions/cache@v5
+      with:
+        path: |
+          ~/.m2
+          ~/repository
+        key: ${{ github.job }}-${{ hashFiles('**/pom.xml') }}
+
+    - name: Expose GitHub Runtime
+      uses: crazy-max/ghaction-github-runtime@v4
+    - name: Run script
+      id: build-image
+      shell: bash
+      run: bun run .github/scripts/src/build-image --environment "${{ inputs.ENVIRONMENT }}" --docker-upload=${{ inputs.DOCKER_UPLOAD }} --getGhaOutput=true

.github/composite/update-tag/action.yaml

@@ -0,0 +1,14 @@
+name: Update K8s Tag
+description: Updates K8s tag in the Patina Network manifest
+
+inputs:
+  ENVIRONMENT:
+    description: "'staging' or 'production'"
+    required: true
+
+runs:
+  using: composite
+  steps:
+    - name: Run script
+      shell: bash
+      run: bun run .github/scripts/src/update-tag --environment "${{ inputs.ENVIRONMENT }}"