CI: use golang:1.24 container instead of installing Go

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

.gitea/workflows/release.yml

@@ -8,6 +8,7 @@ on:
 jobs:
   build:
     runs-on: ubuntu-latest
+    container: golang:1.24-bookworm
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -15,13 +16,6 @@ jobs:
       - name: Extract version
         run: echo "VERSION=${GITHUB_REF_NAME#v}" >> $GITHUB_ENV
 
-      - name: Install Go
-        run: |
-          curl -sSL https://go.dev/dl/go1.24.1.linux-amd64.tar.gz -o /tmp/go.tar.gz
-          tar -C /usr/local -xzf /tmp/go.tar.gz
-          echo "/usr/local/go/bin" >> $GITHUB_PATH
-          echo "$(go env GOPATH)/bin" >> $GITHUB_PATH
-
       - name: Install nfpm
         run: go install github.com/goreleaser/nfpm/v2/cmd/nfpm@latest
 
@@ -36,9 +30,7 @@ jobs:
           CGO_ENABLED=0 GOOS=windows GOARCH=amd64 go build -trimpath -ldflags="-s -w" -o syncwarden-setup.exe ./cmd/setup
 
       - name: Build .deb package
-        run: |
-          export PATH=$PATH:$(go env GOPATH)/bin
-          VERSION=${{ env.VERSION }} nfpm package --config packaging/nfpm.yaml --packager deb --target syncwarden_${{ env.VERSION }}_amd64.deb
+        run: VERSION=${{ env.VERSION }} nfpm package --config packaging/nfpm.yaml --packager deb --target syncwarden_${{ env.VERSION }}_amd64.deb
 
       - name: Create Linux tarball
         run: |