Merge pull request #22 from epics-containers/dev

Add pre-release tagging

Author: gilesknap

.github/workflows/code.yml

@@ -170,6 +170,7 @@ jobs:
         # https://docs.github.com/en/actions/learn-github-actions/security-hardening-for-github-actions#using-third-party-actions
         uses: softprops/action-gh-release@1e07f4398721186383de40550babbdf2b84acfc5 # v0.1.14
         with:
+          prerelease: ${{ contains(github.ref_name, 'a') || contains(github.ref_name, 'b') || contains(github.ref_name, 'rc') }}
           files: |
             dist/*
           generate_release_notes: true