sanitize versioning naming of pr events

Contributes to CURA-9365

.github/workflows/conan-recipe-version.yml

@@ -77,6 +77,13 @@ jobs:
                       echo ${{ github.repository_owner }} | awk '{print "::set-output name=user::"tolower($0)}'
                       echo '::set-output name=channel::stable'    
                       echo '::set-output name=version::${{ steps.git-tool.outputs.Major }}.${{ steps.git-tool.outputs.Minor }}.${{ steps.git-tool.outputs.Patch }}-${{ steps.git-tool.outputs.PreReleaseLabel }}+${{ steps.git-tool.outputs.BuildMetaData }}'
+                    elif [ "${{ github.event_name == 'pull_request' ]; then
+                      # Event triggered by a pull_request
+                      echo ${{ github.repository_owner }} | awk '{print "::set-output name=user::"tolower($0)}'
+                      branch=${{ github.ref_name }}
+                      sanitized_branch=$(echo $branch | egrep -o '^[^/]+')
+                      echo $sanitized_branch | awk '{print "::set-output name=channel::"substr(tolower($0),0,9)}'
+                      echo '::set-output version=${{ steps.git-tool.outputs.Major }}.${{ steps.git-tool.outputs.Minor }}.${{ steps.git-tool.outputs.Patch }}-${{ steps.git-tool.outputs.PreReleaseLabel }}+${{ steps.git-tool.outputs.BuildMetaData }}'
                     else
                       # commits on other branches are considered unstable and for development purposes only
                       # Use the Cura branch naming scheme CURA-1234_foo_bar