build(deps): bump github/codeql-action from 3 to 4

Bumps [github/codeql-action](https://github.com/github/codeql-action) from 3 to 4.
- [Release notes](https://github.com/github/codeql-action/releases)
- [Changelog](https://github.com/github/codeql-action/blob/main/CHANGELOG.md)
- [Commits](https://github.com/github/codeql-action/compare/v3...v4)

---
updated-dependencies:
- dependency-name: github/codeql-action
  dependency-version: '4'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/codeql.yml

@@ -20,7 +20,7 @@ jobs:
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
-      uses: github/codeql-action/init@v3
+      uses: github/codeql-action/init@v4
       # Override language selection by uncommenting this and choosing your languages
       # with:
       #   languages: go, javascript, csharp, python, cpp, java, ruby
@@ -28,7 +28,7 @@ jobs:
     # Autobuild attempts to build any compiled languages (C/C++, C#, Go, 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@v3
+      uses: github/codeql-action/autobuild@v4
 
     # ℹ️ Command-line programs to run using the OS shell.
     # 📚 See https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#jobsjob_idstepsrun
@@ -42,4 +42,4 @@ jobs:
     #     make release
 
     - name: Perform CodeQL Analysis
-      uses: github/codeql-action/analyze@v3
+      uses: github/codeql-action/analyze@v4

examples.md

@@ -621,75 +621,6 @@ whenever possible:
     key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
 ```
 
-### Multiple OS with a build matrix
-
-```yml
-name: CI
-on: [push, pull_request]
-
-jobs:
-  tests:
-    name: Test ${{ matrix.os }}
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-latest, macos-latest, windows-latest]
-        include:
-          - os: ubuntu-latest
-            SEP: /
-            PIP_WHEELS_DIR: ~/.cache/pip
-            CARGO_INDEX_DIR: ~/.cargo/git
-            CARGO_REGISTRY_DIR: ~/.cargo/registry
-
-          - os: macos-latest
-            SEP: /
-            PIP_WHEELS_DIR: ~/Library/Caches/pip
-            CARGO_INDEX_DIR: ~/.cargo/git
-            CARGO_REGISTRY_DIR: ~/.cargo/registry
-
-          - os: windows-latest
-            SEP: \
-            PIP_WHEELS_DIR: ~\AppData\Local\pip\Cache
-            CARGO_INDEX_DIR: C:\Rust\.cargo\git
-            CARGO_REGISTRY_DIR: C:\Rust\.cargo\registry
-
-      # Keep running all matrices if something fail
-      fail-fast: false
-
-    steps:
-      - name: Cache pip wheels
-        uses: actions/cache@v1
-        with:
-          path: ${{ matrix.PIP_WHEELS_DIR }}
-          key: ${{ runner.os }}-pip-wheels-${{ hashFiles('**/requirements.txt') }}-${{ hashFiles('**/setup.py') }}-14-
-
-      - name: Cache cargo index
-        uses: actions/cache@v1
-        with:
-          path: ${{ matrix.CARGO_INDEX_DIR }}
-          key: ${{ runner.os }}-cargo-index-${{ hashFiles('**/Cargo.toml') }}-14-
-
-      - name: Cache cargo registry
-        uses: actions/cache@v1
-        with:
-          path: ${{ matrix.CARGO_REGISTRY_DIR }}
-          key: ${{ runner.os }}-cargo-registry-${{ hashFiles('**/Cargo.toml') }}-14-
-
-      - name: Cache cargo target
-        uses: actions/cache@v1
-        with:
-          path: ${{ github.workspace }}${{ matrix.SEP }}target
-          key: ${{ runner.os }}-cargo-target-${{ hashFiles('**/Cargo.toml') }}-14-
-
-      - name: Run on Windows
-        if: matrix.os == 'windows-latest'
-        run: echo Windows
-
-      - name: Run on Linux
-        if: matrix.os == 'ubuntu-latest'
-        run: echo Linux
-```
-
 ## Scala - SBT
 
 ```yaml