We also need to upgrade the linter together with the Go version, all the changes should relate to either fixing linting problems or upgrading the Go version used to build Grafana.
* add separate cfg for controlling plugin update checks * https * add specific version note to docs * pr feedback * fixup
* refactor * rework plugin update checking * make smarter * simplify * fix linter issue * make use of mutex * apply feedback to simplify * format imports * fix tests