Content pipeline diff fix (#60453)

Author: sarahs

.github/workflows/content-pipelines.yml

@@ -71,12 +71,12 @@ jobs:
           git config user.email "github-actions[bot]@users.noreply.github.com"
 
           if git ls-remote --exit-code --heads origin "$UPDATE_BRANCH" > /dev/null 2>&1; then
-            git fetch origin "$UPDATE_BRANCH" main
+            git fetch --unshallow origin "$UPDATE_BRANCH" main 2>/dev/null || git fetch origin "$UPDATE_BRANCH" main
             git checkout "$UPDATE_BRANCH"
             git merge origin/main --no-edit || {
               echo "Merge conflict with main — resetting branch to main"
               git merge --abort 2>/dev/null || true
-              git checkout main
+              git checkout -f main
               git branch -D "$UPDATE_BRANCH"
               if [ -z "$PR_NUMBER" ]; then
                 git push origin --delete "$UPDATE_BRANCH" || true

src/content-pipelines/state/copilot-cli.sha

@@ -1 +1 @@
-4444e426d03e2d5f533c3ded10ad29c798fadb08
+990f654fe346f8ee9e49f3aea699a71c01a7814c