Use ad-hoc signing.

Author: mattstein

.github/workflows/release.yml

@@ -25,6 +25,7 @@ jobs:
           CGO_ENABLED=0 GOOS=darwin GOARCH=amd64 go build -ldflags="-s -w" -o search_amd64 .
           CGO_ENABLED=0 GOOS=darwin GOARCH=arm64 go build -ldflags="-s -w" -o search_arm64 .
           lipo -create -output search search_amd64 search_arm64
+          codesign -s - search
           rm -f search_amd64 search_arm64
       - name: Upload workflow contents
         uses: actions/upload-artifact@v4