* grafana-plugin-ci-alpine: Upgrading Go,golangci-lint, adding gcloud

Signed-off-by: Arve Knudsen <arve.knudsen@gmail.com>

* grafana-plugin-ci: Upgrading Go,golangci-lint, adding gcloud

Signed-off-by: Arve Knudsen <arve.knudsen@gmail.com>

* grafana-plugin-ci-alpine: Minor cleanup

Signed-off-by: Arve Knudsen <arve.knudsen@gmail.com>

* Don't specify depth when cloning Mage

Signed-off-by: Arve Knudsen <arve.knudsen@gmail.com>

* grafana-plugin-ci-e2e: Upgrading Go, golangci-lint

Signed-off-by: Arve Knudsen <arve.knudsen@gmail.com>

* ci-deploy: Upgrading gcloud

Signed-off-by: Arve Knudsen <arve.knudsen@gmail.com>

* Update packages/grafana-toolkit/docker/grafana-plugin-ci-alpine/README.md

Co-authored-by: Will Browne <wbrowne@users.noreply.github.com>

* grafana-plugin-ci-alpine: Install Python

Signed-off-by: Arve Knudsen <arve.knudsen@gmail.com>

Co-authored-by: Will Browne <wbrowne@users.noreply.github.com>