Bump actions/checkout from 3 to 4 (#846)

.github/workflows/bsc-tests-linux.yml

@@ -12,7 +12,7 @@ jobs:
   job_bsc_tests_linux:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Create Build Environment
       run: |
         sudo apt-get update -qq

.github/workflows/bsc-tests-macos.yml

@@ -12,7 +12,7 @@ jobs:
   job_bsc_tests_macos:
     runs-on: macOS-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Create Build Environment
       run: |
         brew install openssl

.github/workflows/bsc-tests-windows.yml

@@ -12,7 +12,7 @@ jobs:
   job_bsc_tests_windows:
     runs-on: windows-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Create Build Environment
       run: |
         rmdir 'C:\Program Files\OpenSSL' -Recurse -Force

.github/workflows/gcc.yml

@@ -80,7 +80,7 @@ jobs:
   bacnet-sc-hub:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Create BACnet/SC Build Environment
       run: |
         sudo apt-get update -qq