Restore local CodeQL workflow

Remove reliance on non-functional importable CodeQL configuration and
add explicit project-specific configuration in its place.

This CodeQL configuration uses major version dependency references vs
explicit tags.

refs atc0005/todo#62

.github/workflows/codeql.yml

@@ -0,0 +1,93 @@
+# Copyright 2023 Adam Chalkley
+#
+# https://github.com/atc0005/go-ezproxy
+#
+# Licensed under the MIT License. See LICENSE file in the project root for
+# full license information.
+
+name: "CodeQL"
+
+on:
+  push:
+    branches: [master]
+
+  pull_request:
+    # `synchronized` seems to equate to pushing new commits to a linked branch
+    # (whether force-pushed or not)
+    types: [opened, synchronize]
+
+    # The branches below must be a subset of the branches above
+    branches: [master]
+
+  schedule:
+    - cron: "00 4 * * 0"
+
+jobs:
+  analyze:
+    name: Analyze
+    runs-on: ubuntu-latest
+    # Default: 360 minutes
+    timeout-minutes: 10
+    container:
+      # NOTE: CodeQL requires a Go version equal to or greater than the
+      # version specified in the project's go.mod file. We use a container
+      # image to provide this version of Go.
+      image: "ghcr.io/atc0005/go-ci:go-ci-stable"
+
+    permissions:
+      actions: read
+      contents: read
+      security-events: write
+
+    strategy:
+      fail-fast: false
+      matrix:
+        language: ["go"]
+        # CodeQL supports [ 'cpp', 'csharp', 'go', 'java', 'javascript', 'python', 'ruby', 'swift' ]
+        # Use only 'java' to analyze code written in Java, Kotlin or both
+        # Use only 'javascript' to analyze code written in JavaScript, TypeScript or both
+        # Learn more about CodeQL language support at https://aka.ms/codeql-docs/language-support
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+
+      # Mark the current working directory as a safe directory in git to
+      # resolve "dubious ownership" complaints.
+      #
+      # https://docs.github.com/en/actions/learn-github-actions/variables#default-environment-variables
+      # https://confluence.atlassian.com/bbkb/git-command-returns-fatal-error-about-the-repository-being-owned-by-someone-else-1167744132.html
+      # https://github.com/actions/runner-images/issues/6775
+      # https://github.com/actions/checkout/issues/766
+      - name: Mark the current working directory as a safe directory in git
+        # run: git config --global --add safe.directory "$GITHUB_WORKSPACE"
+        run: git config --global --add safe.directory "${PWD}"
+
+      # Initializes the CodeQL tools for scanning.
+      - name: Initialize CodeQL
+        uses: github/codeql-action/init@v2
+        with:
+          languages: ${{ matrix.language }}
+          # 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.
+          # queries: ./path/to/local/query, your-org/your-repo/queries@main
+
+      # Autobuild attempts to build any compiled languages  (C/C++, C#, or Java).
+      # If this step fails, then you should remove it and run the build manually (see below)
+      - name: Autobuild
+        uses: github/codeql-action/autobuild@v2
+
+      # ℹ️ Command-line programs to run using the OS shell.
+      # 📚 https://git.io/JvXDl
+
+      # ✏️ If the Autobuild fails above, remove it and uncomment the following three lines
+      #    and modify them (or add more) to build your code if your project
+      #    uses a compiled language
+
+      #- run: |
+      #   make bootstrap
+      #   make release
+
+      - name: Perform CodeQL Analysis
+        uses: github/codeql-action/analyze@v2