Add CodeQL workflow permissions (opensearch-project#21864)

Signed-off-by: Craig Perkins <craig5008@gmail.com>

Author: cwperks

.github/workflows/codeql-analysis.yml

@@ -24,6 +24,10 @@ jobs:
   analyze:
     name: Analyze
     runs-on: ubuntu-latest
+    permissions:
+      actions: read
+      contents: read
+      security-events: write
 
     strategy:
       fail-fast: false