fix: remove GHE_HOST setup step and use SERVER_URL directly in release workflow

.gitea/workflows/release.yml

@@ -17,12 +17,6 @@ jobs:
     steps:
       - uses: actions/checkout@v6
 
-      - name: Set GHE_HOST
-        id: ghe_host
-        run: |
-          $ghe_host = $env:GITHUB_SERVER_URL -replace "https://", ""
-          echo "::set-output name=GHE_HOST::$ghe_host"
-
       - name: Extract version from CHANGELOG
         id: changelog
         uses: release-drafter/release-drafter@v5
@@ -34,7 +28,7 @@ jobs:
               ${{ description }}
           token: ${{ secrets.GITEA_TOKEN }}
         env:
-          GHE_HOST: ${{ steps.ghe_host.outputs.GHE_HOST }}
+          GHE_HOST: ${{ SERVER_URL }}
 
       # Create Release also creates an Tag
       # - name: Create git tag