Bump GH actions to latest versions, to squash deprecation warning

Author: notjosh

.github/workflows/main.yml

@@ -17,8 +17,8 @@ jobs:
     env:
       JOB_TYPE: BUILD
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
+      - uses: actions/checkout@v4
         with:
           repository: acidanthera/MacKernelSDK
           path: MacKernelSDK
@@ -33,10 +33,11 @@ jobs:
       - run: xcodebuild -jobs 1 -configuration Release
 
       - name: Upload to Artifacts
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v4
         with:
           name: Artifacts
           path: build/*/*.zip
+          overwrite: true
       - name: Upload to Release
         if: github.event_name == 'release'
         uses: svenstaro/upload-release-action@e74ff71f7d8a4c4745b560a485cc5fdb9b5b999d
@@ -52,8 +53,8 @@ jobs:
     env:
       JOB_TYPE: ANALYZE
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
+      - uses: actions/checkout@v4
         with:
           repository: acidanthera/MacKernelSDK
           path: MacKernelSDK
@@ -74,8 +75,8 @@ jobs:
       JOB_TYPE: COVERITY
     if: github.repository_owner == 'notjosh' && github.event_name != 'pull_request'
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
+      - uses: actions/checkout@v4
         with:
           repository: acidanthera/MacKernelSDK
           path: MacKernelSDK