Update Release workflow

Author: mikhail-vl

.github/workflows/main.yml

@@ -120,7 +120,7 @@ jobs:
       - name: Lint plugin
         run: |
           git clone https://github.com/grafana/plugin-validator
-          pushd ./plugin-validator/cmd/plugincheck
+          pushd ./plugin-validator/pkg/cmd/plugincheck
           go install
           popd
           plugincheck ${{ steps.metadata.outputs.archive }}
@@ -162,4 +162,4 @@ jobs:
         run: |
           echo Publish your plugin to grafana.com/plugins by opening a PR to https://github.com/grafana/grafana-plugin-repository with the following entry:
           echo
-          echo '{ "id": "${{ steps.metadata.outputs.plugin-id }}", "type": "${{ steps.metadata.outputs.plugin-type }}", "url": "https://github.com/${{ github.repository }}", "versions": [ { "version": "${{ steps.metadata.outputs.plugin-version }}", "commit": "${{ github.sha }}", "url": "https://github.com/${{ github.repository }}", "download": { "any": { "url": "${{ steps.upload-plugin-asset.outputs.browser_download_url }}", "md5": "${{ steps.package-plugin.outputs.checksum }}" } } } ] }' | jq .
+          echo '{ "id": "${{ steps.metadata.outputs.plugin-id }}", "type": "${{ steps.metadata.outputs.plugin-type }}", "url": "https://github.com/${{ github.repository }}", "versions": [ { "version": "${{ steps.metadata.outputs.plugin-version }}", "commit": "${{ github.sha }}", "url": "https://github.com/${{ github.repository }}", "download": { "any": { "url": "${{ steps.upload-plugin-asset.outputs.browser_download_url }}", "md5": "${{ steps.package-plugin.outputs.checksum }}" } } } ] }' | jq .