add tags for FIPs compliance to dockerfile

Author: waveywaves

.konflux/dockerfiles/controller.Dockerfile

@@ -9,7 +9,8 @@ COPY .konflux/patches patches/
 RUN set -e; for f in patches/*.patch; do echo ${f}; [[ -f ${f} ]] || continue; git apply ${f}; done
 COPY head HEAD
 ENV GODEBUG="http2server=0"
-RUN go build -ldflags="-X 'knative.dev/pkg/changeset.rev=$(cat HEAD)'" -mod=vendor -tags disable_gcp -v -o /tmp/controller \
+ENV GOEXPERIMENT=strictfipsruntime
+RUN go build -ldflags="-X 'knative.dev/pkg/changeset.rev=$(cat HEAD)'" -mod=vendor -tags disable_gcp -tags strictfipsruntime -v -o /tmp/controller \
     ./cmd/controller
 
 FROM $RUNTIME