fix: install AWS CLI if not present before publishing assets

Co-authored-by: Copilot <copilot@github.com>

publish-static-contents/action.yml

@@ -21,6 +21,16 @@ inputs:
 runs:
   using: composite
   steps:
+    - name: Install AWS CLI
+      shell: bash
+      run: |
+        if ! command -v aws &> /dev/null; then
+          curl -fsSL "https://awscli.amazonaws.com/awscli-exe-linux-x86_64.zip" -o /tmp/awscliv2.zip
+          unzip -q /tmp/awscliv2.zip -d /tmp
+          sudo /tmp/aws/install
+          rm -rf /tmp/awscliv2.zip /tmp/aws
+        fi
+
     - name: Publish frontend assets
       shell: bash
       env: