Consider tags from merged branches when checking for unreleased changes

Author: AzureMarker

.github/workflows/publish.yml

@@ -40,7 +40,7 @@ jobs:
         run: |
           # Check if we can skip releasing a new version
           # (there are no changes and the job was not manually triggered)
-          export CHANGED=$(cargo workspaces changed --ignore-changes "**/Cargo.toml")
+          export CHANGED=$(cargo workspaces changed --include-merged-tags --ignore-changes "**/Cargo.toml")
           if [[ -z "$CHANGED" && "$GITHUB_EVENT_NAME" != "workflow_dispatch" ]]; then
             # Nothing has changed, so don't publish a new version
             exit 0