fix(docker): upgrade runtime alpine base image (#403)

Author: freeznet

Dockerfile

@@ -41,7 +41,7 @@ RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 GO111MODULE=on go build -a -o manager
 
 # Use distroless as minimal base image to package the manager binary
 # Refer to https://github.com/GoogleContainerTools/distroless for more details
-FROM alpine:3.21
+FROM alpine:3.22
 
 # Upgrade all packages to get latest versions with security fixes
 RUN apk upgrade --no-cache