Initial CodeQL commit (#958)

Author: randall-wyatt

.github/workflows/codeql.yml

@@ -0,0 +1,83 @@
+# For most projects, this workflow file will not need changing; you simply need
+# to commit it to your repository.
+#
+# You may wish to alter this file to override the set of languages analyzed,
+# or to provide custom queries or build logic.
+#
+# ******** NOTE ********
+# We have attempted to detect the languages in your repository. Please check
+# the `language` matrix defined below to confirm you have the correct set of
+# supported CodeQL languages.
+#
+name: "CodeQL Advanced"
+
+on:
+    push:
+        branches: [ "master" ]
+    pull_request:
+        branches: [ "master" ]
+
+jobs:
+    analyze:
+        name: Analyze (${{ matrix.language }})
+        runs-on: ${{ (matrix.language == 'swift' && 'macos-latest') || 'ubuntu-latest' }}
+        permissions:
+            # required for all workflows
+            security-events: write
+
+            # required to fetch internal or private CodeQL packs
+            packages: read
+
+            # only required for workflows in private repositories
+            actions: read
+            contents: read
+
+        strategy:
+            fail-fast: false
+            matrix:
+                include:
+                    - language: actions
+                      build-mode: none
+                    - language: python
+                      build-mode: none
+                    - language: ruby
+                      build-mode: none
+                    - language: swift
+                      build-mode: autobuild
+        steps:
+            - name: Checkout repository
+              uses: actions/checkout@v4
+
+            # Add any setup steps before running the `github/codeql-action/init` action.
+            # This includes steps like installing compilers or runtimes (`actions/setup-node`
+            # or others). This is typically only required for manual builds.
+            # - name: Setup runtime (example)
+            #   uses: actions/setup-example@v1
+
+            # Initializes the CodeQL tools for scanning.
+            - name: Initialize CodeQL
+              uses: github/codeql-action/init@v3
+              with:
+                  languages: ${{ matrix.language }}
+                  build-mode: ${{ matrix.build-mode }}
+                  # If you wish to specify custom queries, you can do so here or in a config file.
+                  # By default, queries listed here will override any specified in a config file.
+                  # Prefix the list here with "+" to use these queries and those in the config file.
+
+                  # For more details on CodeQL's query packs, refer to: https://docs.github.com/en/code-security/code-scanning/automatically-scanning-your-code-for-vulnerabilities-and-errors/configuring-code-scanning#using-queries-in-ql-packs
+                  queries: ${{ matrix.language && 'security-extended, security-and-quality' }}
+
+            - if: matrix.build-mode == 'manual'
+              shell: bash
+              run: |
+                  echo 'If you are using a "manual" build mode for one or more of the' \
+                    'languages you are analyzing, replace this with the commands to build' \
+                    'your code, for example:'
+                  echo '  make bootstrap'
+                  echo '  make release'
+                  exit 1
+
+            - name: Perform CodeQL Analysis
+              uses: github/codeql-action/analyze@v3
+              with:
+                  category: "/language:${{matrix.language}}"