GitHub Action: Fix syntax error (#104074)

Fix syntax error

Co-authored-by: Marco de Abreu <18629099+marcoabreu@users.noreply.github.com>

.github/workflows/pr-patch-check-event.yml

@@ -1,6 +1,6 @@
 # Owned by grafana-delivery-squad
 # Intended to be dropped into the base repo Ex: grafana/grafana
-name: Dispatch: Check for patch conflicts
+name: Dispatch check for patch conflicts
 run-name: dispatch-check-patch-conflicts-${{ github.base_ref }}-${{ github.head_ref }}
 on:
   pull_request:

.github/workflows/sync-mirror-event.yml

@@ -1,6 +1,6 @@
 # Owned by grafana-delivery-squad
 # Intended to be dropped into the base repo, Ex: grafana/grafana
-name: Dispatch: Sync to mirror
+name: Dispatch sync to mirror
 run-name: dispatch-sync-to-mirror-${{ github.ref_name }}
 on:
   workflow_dispatch: