ci: bump actions/checkout to 4 (#4474)

Held back one due to https://github.com/libuv/libuv/pull/4451

.github/workflows/CI-docs.yml

@@ -11,7 +11,7 @@ jobs:
   docs-src:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-python@v5
         with:
           python-version: '3.9'

.github/workflows/CI-sample.yml

@@ -21,7 +21,7 @@ jobs:
         os: [macos-latest, ubuntu-latest, windows-latest]
     runs-on: ${{matrix.os}}
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: setup
         run: cmake -E make_directory ${{runner.workspace}}/libuv/docs/code/build
       - name: configure

.github/workflows/CI-unix.yml

@@ -17,7 +17,7 @@ jobs:
   build-linux:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: configure
         run: |
           ./autogen.sh
@@ -36,7 +36,7 @@ jobs:
     env:
       ACTIONS_ALLOW_USE_UNSECURE_NODE_VERSION: true
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Envinfo
         run: npx envinfo
       - name: Configure android arm64
@@ -125,7 +125,7 @@ jobs:
           - {target: ppc64 (u64 slots),   toolchain: gcc-powerpc64-linux-gnu,   cc: powerpc64-linux-gnu-gcc,    qemu: qemu-ppc64-static}
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Install QEMU
         # this ensure install latest qemu on ubuntu, apt get version is old
         env:

.github/workflows/CI-win.yml

@@ -29,7 +29,7 @@ jobs:
           - {toolchain: Visual Studio 17 2022, arch: x64, server: 2022, config: UBSAN}
           - {toolchain: Visual Studio 17 2022, arch: arm64, server: 2022}
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Build
         run:
           cmake -S . -B build -DBUILD_TESTING=ON
@@ -81,7 +81,7 @@ jobs:
           - {arch: i686,   server: 2022, libgcc: dw2 }
           - {arch: x86_64, server: 2022, libgcc: seh }
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Install mingw32 environment
         run: |
           sudo apt update

.github/workflows/sanitizer.yml

@@ -16,7 +16,7 @@ jobs:
   sanitizers-linux:
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Setup
         run: |
           sudo apt-get install ninja-build
@@ -104,7 +104,7 @@ jobs:
   sanitizers-windows:
     runs-on: windows-2022
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Setup
         run: |
           choco install ninja