CodeQL improvements.

Partial mas-cli#645

Signed-off-by: Ross Goldberg <[email protected]>

.github/workflows/codeql.yml

@@ -1,14 +1,12 @@
+#
+# .github/workflows/codeql.yml
+#
 ---
-name: "CodeQL Advanced"
-
+name: "CodeQL"
 on:
   push:
-    branches: ["main", "v*"]
   pull_request:
-    branches: ["main", "v*"]
-  schedule:
-    - cron: "44 14 * * 4"
-
+  workflow_dispatch:
 jobs:
   analyze:
     name: Analyze ${{matrix.language}}
@@ -19,6 +17,9 @@ jobs:
       fail-fast: false
       matrix:
         include:
+          - language: actions
+            build-mode: none
+
           - language: swift
             build-mode: manual
     steps:
@@ -32,7 +33,8 @@ jobs:
           build-mode: ${{matrix.build-mode}}
           queries: security-and-quality
 
-      - if: matrix.build-mode == 'manual'
+      - name: Build Swift
+        if: matrix.language == 'swift'
         shell: bash
         run: |
           script/build