chore: enable github actions widget for scaffolding items that can build with github actions

plugins/scaffolder-backend/sample-templates/react-ssr-template/{{cookiecutter.component_id}}/.github/workflows/build.yml

@@ -1,6 +1,11 @@
 name: Frontend CI
 
-on: [push, pull_request]
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
 
 jobs:
   build:

plugins/scaffolder-backend/sample-templates/react-ssr-template/{{cookiecutter.component_id}}/component-info.yaml

@@ -3,6 +3,9 @@ kind: Component
 metadata:
   name: {{cookiecutter.component_id}}
   description: {{cookiecutter.description}}
+  annotations:
+    github.com/project-slug: {{cookiecutter.storePath}}
+    backstage.io/github-actions-id: {{cookiecutter.storePath}}
 spec:
   type: website
   lifecycle: experimental

plugins/scaffolder-backend/sample-templates/springboot-grpc-template/{{cookiecutter.component_id}}/.github/workflows/build.yml

@@ -1,16 +1,21 @@
-name: Java CI
+name: Java CI with Maven
 
-on: [push]
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
 
 jobs:
   build:
+
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v2
-      - name: Set up JDK 1.8
-        uses: actions/setup-java@v1
-        with:
-          java-version: 1.8
-      - name: Build with Maven
-        run: mvn -B package --file pom.xml
+    - uses: actions/checkout@v2
+    - name: Set up JDK 11
+      uses: actions/setup-java@v1
+      with:
+        java-version: 11
+    - name: Build with Maven
+      run: mvn -B package --file pom.xml

plugins/scaffolder-backend/sample-templates/springboot-grpc-template/{{cookiecutter.component_id}}/component-info.yaml

@@ -3,6 +3,9 @@ kind: Component
 metadata:
   name: {{cookiecutter.component_id}}
   description: {{cookiecutter.description}}
+  annotations:
+    github.com/project-slug: {{cookiecutter.storePath}}
+    backstage.io/github-actions-id: {{cookiecutter.storePath}}
 spec:
   type: service
   lifecycle: experimental