Add missing job names.

.github/workflows/checkstyle-skip.yml

@@ -12,6 +12,7 @@ on:
 
 jobs:
   build:
+    name: "📋 Check style according to checkstyle.xml"
     runs-on: ubuntu-latest
     steps:
       - run: 'echo "No build required"'

.github/workflows/scan-docker-images-skip.yml

@@ -12,6 +12,7 @@ on:
 
 jobs:
   build:
+    name: "🔎 Scan docker images"
     runs-on: ubuntu-latest
     steps:
       - run: 'echo "No build required"'

.github/workflows/test-all-metadata-skip.yml

@@ -11,6 +11,7 @@ on:
 
 jobs:
   build:
+    name: "🧪 All metadata tests have passed"
     runs-on: ubuntu-latest
     steps:
       - run: 'echo "No build required"'

.github/workflows/test-changed-metadata-skip.yml

@@ -10,6 +10,7 @@ on:
 
 jobs:
   build:
+    name: "🧪 All metadata tests have passed"
     runs-on: ubuntu-latest
     steps:
       - run: 'echo "No build required"'