Update Go build flags and bump version to v0.21.4

- Modified the Go build command in the GitHub Actions workflow to include linker flags for reduced binary size.
- Updated version from v0.21.3 to v0.21.4 to reflect the latest changes.

.github/workflows/go.yml

@@ -75,7 +75,7 @@ jobs:
           mkdir -p release-binaries
 
           # Build for different platforms
-          GOEXPERIMENT=greenteagc,jsonv2 GOOS=linux GOARCH=amd64 CGO_ENABLED=1 go build -o release-binaries/orly-${VERSION}-linux-amd64 .
+          GOEXPERIMENT=greenteagc,jsonv2 GOOS=linux GOARCH=amd64 CGO_ENABLED=1 go build -ldflags "-s -w" -o release-binaries/orly-${VERSION}-linux-amd64 .
           # GOEXPERIMENT=greenteagc,jsonv2 GOOS=linux GOARCH=arm64 CGO_ENABLED=0 go build -o release-binaries/orly-${VERSION}-linux-arm64 .
           # GOEXPERIMENT=greenteagc,jsonv2 GOOS=darwin GOARCH=amd64 CGO_ENABLED=0 go build -o release-binaries/orly-${VERSION}-darwin-amd64 .
           # GOEXPERIMENT=greenteagc,jsonv2 GOOS=darwin GOARCH=arm64 CGO_ENABLED=0 go build -o release-binaries/orly-${VERSION}-darwin-arm64 .

pkg/version/version

@@ -1 +1 @@
-v0.21.3
+v0.21.4