Update .github/workflows/validate-rules-csv.yml

Co-authored-by: Luke Cartey <5377966+lcartey@users.noreply.github.com>

Author: jsinglet

.github/workflows/validate-rules-csv.yml

@@ -16,7 +16,7 @@ on:
 jobs:
   validate-rules-csv:
     name: Validate Rules CSV 
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     steps:
       - name: Checkout
         uses: actions/checkout@v2