Update Golang - bump grabpl and build-container (#50253) (#50257)

(cherry picked from commit 7b750cc0f0)

scripts/build/ci-build/Dockerfile

@@ -110,7 +110,7 @@ RUN rm dockerize-linux-amd64-v${DOCKERIZE_VERSION}.tar.gz
 # Use old Debian (this has support into 2022) in order to ensure binary compatibility with older glibc's.
 FROM debian:stretch-20210208
 
-ENV GOVERSION=1.17.9 \
+ENV GOVERSION=1.17.11 \
     PATH=/usr/local/go/bin:$PATH \
     GOPATH=/go \
     NODEVERSION=16.14.0-1nodesource1 \

scripts/drone/steps/lib.star

@@ -1,7 +1,7 @@
 load('scripts/drone/vault.star', 'from_secret', 'github_token', 'pull_secret', 'drone_token', 'prerelease_bucket')
 
-grabpl_version = 'v2.9.41'
-build_image = 'grafana/build-container:1.5.4'
+grabpl_version = 'v2.9.50'
+build_image = 'grafana/build-container:1.5.5'
 publish_image = 'grafana/grafana-ci-deploy:1.3.1'
 deploy_docker_image = 'us.gcr.io/kubernetes-dev/drone/plugins/deploy-image'
 alpine_image = 'alpine:3.15'