Set fetch-depth: 0 for checkout in CI workflows

This change ensures that the full Git history is fetched during the checkout step in `ci-tag.yml`, `ci-basic.yml`, and `ci-protected.yml`. It is necessary for workflows that rely on complete commit history, such as version tagging or historical analysis.

.gitea/workflows/ci-basic.yml

@@ -19,6 +19,8 @@ jobs:
     steps:
       - name: Checkout code
         uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
 
       - name: Setup go
         uses: actions/setup-go@v5

.gitea/workflows/ci-protected.yml

@@ -19,6 +19,8 @@ jobs:
     steps:
       - name: Checkout code
         uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
 
       - name: Setup go
         uses: actions/setup-go@v5

.gitea/workflows/ci-tag.yml

@@ -12,6 +12,8 @@ jobs:
     steps:
       - name: Checkout code
         uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
 
       - name: Setup go
         uses: actions/setup-go@v5