Update the branch automerge workflow name (#913)

The title appears in two places; one of them was still backwards.

Author: jakepetroules

.github/workflows/automerge.yml

@@ -1,6 +1,9 @@
-name: Create PR to merge main into release branch
-# In the first period after branching the release branch, we typically want to include many changes from `main` in the release branch. This workflow automatically creates a PR every Monday to merge main into the release branch.
-# Later in the release cycle we should stop this practice to avoid landing risky changes by disabling this workflow. To do so, disable the workflow as described in https://docs.github.com/en/actions/managing-workflow-runs-and-deployments/managing-workflow-runs/disabling-and-enabling-a-workflow
+name: Create PR to merge release into main branch
+# In the first period after branching the release branch,
+# we typically want to include many changes from `main` in the release branch.
+# This workflow automatically creates a PR to merge the release branch into the main.
+# Later in the release cycle we should stop this practice to avoid landing risky changes by disabling this workflow.
+# To do so, disable the workflow as described in https://docs.github.com/en/actions/managing-workflow-runs-and-deployments/managing-workflow-runs/disabling-and-enabling-a-workflow
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