Add codeql to flag unpinned actions refs

Author: myoung34

.github/codeql/codeql-config.yml

@@ -0,0 +1,3 @@
+query-filters:
+- include:
+    id: actions/unpinned-tag

.github/workflows/codeql.yaml

@@ -0,0 +1,30 @@
+name: CodeQL Security Analysis
+
+on:
+  push:
+    branches: [master]
+
+jobs:
+  analyze:
+    name: Analyze GitHub Actions YAML
+    runs-on: ubuntu-latest
+    permissions:
+      security-events: write
+      actions: read
+      contents: read
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+
+      - name: Initialize CodeQL
+        uses: github/codeql-action/init@6bb031afdd8eb862ea3fc1848194185e076637e5 # v3.28.11
+        with:
+          languages: "actions"
+          queries: security-extended
+          config-file: .github/codeql/codeql-config.yml
+
+      - name: Perform CodeQL Analysis
+        uses: github/codeql-action/analyze@6bb031afdd8eb862ea3fc1848194185e076637e5 # v3.28.11
+        with:
+          category: "/language:actions"