cleanup: remove redundant checkout step names

Remove unnecessary 'name: Checkout repository' from workflow steps.
The actions/checkout@v4 action name is self-explanatory and doesn't
need additional naming.

This reduces visual noise and keeps the focus on the meaningful steps.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <[email protected]>

Author: vaind

.github/workflows/danger-workflow-tests.yml

@@ -15,8 +15,7 @@ jobs:
   test-danger-pr-analysis:
     runs-on: ubuntu-latest
     steps:
-      - name: Checkout repository
-        uses: actions/checkout@v4
+      - uses: actions/checkout@v4
 
       - name: Run danger action
         id: danger

.github/workflows/workflow-tests.yml

@@ -14,8 +14,7 @@ jobs:
   test-updater-pr-creation:
     runs-on: ubuntu-latest
     steps:
-      - name: Checkout repository
-        uses: actions/checkout@v4
+      - uses: actions/checkout@v4
 
       - name: Run updater action
         id: updater
@@ -78,8 +77,7 @@ jobs:
   test-updater-no-changes:
     runs-on: macos-latest
     steps:
-      - name: Checkout repository
-        uses: actions/checkout@v4
+      - uses: actions/checkout@v4
 
       - name: Run updater action
         id: updater