Merge pull request #2 from EventStore/lowercase

Lowercase the repository name to comply with github actions

Author: thefringeninja

Diff for: .github/workflows/ci.yml

@@ -50,5 +50,5 @@ jobs:
         username: ${{ github.actor }}
         password: ${{ secrets.GITHUB_TOKEN }}
         registry: docker.pkg.github.com
-        repository: EventStore/es-gencert-cli/es-gencert-cli
+        repository: eventstore/es-gencert-cli/es-gencert-cli
         tag_with_ref: true