ci: re-enable CodeQL scanning (#4752)

Author: Flash0ver

.github/workflows/codeql-analysis.yml

@@ -1,15 +1,13 @@
 name: "CodeQL"
 
 on:
-  workflow_dispatch:
-#  # Temporarily disabled. See https://github.com/getsentry/sentry-dotnet/issues/4736
-#  push:
-#    branches: [ main ]
-#  pull_request:
-#    # The branches below must be a subset of the branches above
-#    branches: [ main ]
-#  schedule:
-#    - cron: '22 5 * * 1'
+  push:
+    branches: [ main ]
+  pull_request:
+    # The branches below must be a subset of the branches above
+    branches: [ main ]
+  schedule:
+    - cron: '22 5 * * 1'
 
 jobs:
   analyze: