fix: use GITEA_SERVER_URL instead of GITHUB_SERVER_URL in release workflow

.gitea/workflows/release.yml

@@ -41,7 +41,7 @@ jobs:
           VERSION="${{ steps.version.outputs.version }}"
           TAG="${{ steps.version.outputs.tag }}"
           REPO="${GITHUB_REPOSITORY}"
-          API_URL="${GITHUB_SERVER_URL}/api/v1"
+          API_URL="${GITEA_SERVER_URL}/api/v1"
 
           # Create the versioned release
           RELEASE=$(curl -s -X POST "${API_URL}/repos/${REPO}/releases" \
@@ -112,7 +112,7 @@ jobs:
         run: |
           TAG="release"
           REPO="${GITHUB_REPOSITORY}"
-          API_URL="${GITHUB_SERVER_URL}/api/v1"
+          API_URL="${GITEA_SERVER_URL}/api/v1"
           VERSION="${{ needs.build.outputs.version }}"
 
           # Check if the rolling release already exists