Upgrade to actions/checkout@v4 (#2438)

Node.js 16 actions are deprecated, so update to v4 which uses Node 20.

Original commit:
KhronosGroup/SPIRV-LLVM-Translator@41dc96708bf1937

Author: svenvh

llvm-spirv/.github/workflows/check-code-style.yml

@@ -32,7 +32,7 @@ jobs:
     runs-on: ubuntu-20.04
     steps:
     - name: Checkout sources
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         # In order to gather diff from PR we need to fetch not only the latest
         # commit. Depth of 2 is enough, because GitHub Actions supply us with

llvm-spirv/.github/workflows/check-in-tree-build.yml

@@ -61,21 +61,21 @@ jobs:
           # pre-installed. Make sure to override these with the relevant version.
           sudo update-alternatives --install /usr/bin/clang clang /usr/bin/clang-${{ env.LLVM_VERSION }} 1000
       - name: Checkout LLVM sources
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           repository: llvm/llvm-project
           ref: main
           path: llvm-project
       - name:  Checkout the translator sources
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           path: llvm-project/llvm/projects/SPIRV-LLVM-Translator
       - name:  Get tag for SPIR-V Headers
         id: spirv-headers-tag
         run: |
           echo "spirv_headers_tag=$(cat llvm-project/llvm/projects/SPIRV-LLVM-Translator/spirv-headers-tag.conf)" >> $GITHUB_ENV
       - name:  Checkout SPIR-V Headers
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           repository: KhronosGroup/SPIRV-Headers
           ref: ${{ env.spirv_headers_tag }}
@@ -116,21 +116,21 @@ jobs:
     runs-on: windows-latest
     steps:
       - name: Checkout LLVM sources
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           repository: llvm/llvm-project
           ref: main
           path: llvm-project
       - name:  Checkout the translator sources
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           path: llvm-project\\llvm\\projects\\SPIRV-LLVM-Translator
       - name:  Get tag for SPIR-V Headers
         id: spirv-headers-tag
         run: |
           echo "spirv_headers_tag=$(type llvm-project\\llvm\\projects\\SPIRV-LLVM-Translator\\spirv-headers-tag.conf)" >> $GITHUB_ENV
       - name:  Checkout SPIR-V Headers
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           repository: KhronosGroup/SPIRV-Headers
           ref: ${{ env.spirv_headers_tag }}
@@ -168,21 +168,21 @@ jobs:
     continue-on-error: true
     steps:
       - name: Checkout LLVM sources
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           repository: llvm/llvm-project
           ref: main
           path: llvm-project
       - name:  Checkout the translator sources
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           path: llvm-project/llvm/projects/SPIRV-LLVM-Translator
       - name:  Get tag for SPIR-V Headers
         id: spirv-headers-tag
         run: |
           echo "spirv_headers_tag=$(cat llvm-project/llvm/projects/SPIRV-LLVM-Translator/spirv-headers-tag.conf)" >> $GITHUB_ENV
       - name:  Checkout SPIR-V Headers
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           repository: KhronosGroup/SPIRV-Headers
           ref: ${{ env.spirv_headers_tag }}

llvm-spirv/.github/workflows/check-out-of-tree-build.yml

@@ -58,15 +58,15 @@ jobs:
           # pre-installed. Make sure to override these with the relevant version.
           sudo update-alternatives --install /usr/bin/clang clang /usr/bin/clang-${{ env.LLVM_VERSION }} 1000
       - name:  Checkout the translator sources
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           path: SPIRV-LLVM-Translator
       - name:  Get tag for SPIR-V Headers
         id: spirv-headers-tag
         run: |
           echo "spirv_headers_tag=$(cat SPIRV-LLVM-Translator/spirv-headers-tag.conf)" >> $GITHUB_ENV
       - name:  Checkout SPIR-V Headers
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           repository: KhronosGroup/SPIRV-Headers
           ref: ${{ env.spirv_headers_tag }}