updated checkout CI script

Author: ypopovych

.github/workflows/publish_crate.yml

@@ -13,7 +13,7 @@ jobs:
     runs-on: macOS-13
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           ref: ${{ inputs.version }}
       - name: Select Xcode

.github/workflows/publish_pod.yml

@@ -13,7 +13,7 @@ jobs:
     runs-on: macOS-13
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           ref: ${{ inputs.version }}
       - name: Select Xcode

.github/workflows/release.yml

@@ -34,7 +34,7 @@ jobs:
     runs-on: macOS-13
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Select Xcode
         run: sudo xcode-select -s /Applications/Xcode_14.3.1.app
       - name: Install Rust

.github/workflows/test.yml

@@ -15,7 +15,7 @@ jobs:
     runs-on: ${{ matrix.tests.machine }}
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Select Xcode
         run: sudo xcode-select -s /Applications/Xcode_${{ matrix.tests.xcode }}.app
       - name: Install Rust