Run crosscheck twice daily (#92)

* Run crosscheck twice daily

* Rune every 5 hours

.github/addrcheck.md

@@ -1,6 +1,6 @@
 ---
 title: Missing address entries
-labels: ['ci', '@ddress.json']
+labels: ['ci', '@address.json']
 ---
 
 cc @polkadot-js/notifications

.github/crosscheck.md

@@ -1,5 +1,5 @@
 ---
-title: Missing cross-check entries
+title: Missing site entries
 labels: ['ci', '@all.json']
 ---
 

.github/workflows/crosscheck.yml

@@ -1,7 +1,7 @@
 name: crosscheck
 on:
   schedule:
-    - cron:  '45 4 * * *'
+    - cron:  '45 3,9,15,21 * * *'
 
 jobs:
   crosscheck:
@@ -21,6 +21,7 @@ jobs:
         GITHUB_TOKEN: ${{ secrets.GH_PAT_BOT }}
       with:
         filename: .github/crosscheck.md
+        update_existing: true
 
   addrcheck:
     runs-on: ubuntu-latest
@@ -39,3 +40,4 @@ jobs:
         GITHUB_TOKEN: ${{ secrets.GH_PAT_BOT }}
       with:
         filename: .github/addrcheck.md
+        update_existing: true