ci: update go install commands in release workflow

Author: andreasgerstmayr

.github/workflows/release.yml

@@ -14,9 +14,9 @@ jobs:
 
     - name: Install jsonnet, jsonnet-bundler and grafana/plugin-validator
       run: |
-        go get github.com/google/go-jsonnet/cmd/jsonnet
-        go get github.com/jsonnet-bundler/jsonnet-bundler/cmd/jb
-        go get github.com/grafana/plugin-validator/cmd/plugincheck
+        go install github.com/google/go-jsonnet/cmd/jsonnet@latest
+        go install github.com/jsonnet-bundler/jsonnet-bundler/cmd/jb@latest
+        go install github.com/grafana/plugin-validator/cmd/plugincheck@latest
         echo "$HOME/go/bin" >> $GITHUB_PATH
 
     - name: Install dependencies