Update github actions.

Author: MatthiasWM

Diff for: .github/workflows/macos.yml

@@ -31,7 +31,7 @@ jobs:
         xcodebuild -project _Build_/Xcode/Einstein.xcodeproj -scheme Einstein -archivePath Einstein.xcarchive archive
         mkdir -p artifacts
         tar czf artifacts/Einstein.app.tgz -C Einstein.xcarchive/Products/Applications/ Einstein.app
-    - uses: actions/upload-artifact@v2
+    - uses: actions/upload-artifact@v4
       with:
         name: Einstein.app
         path: artifacts/Einstein.app.tgz

Diff for: .github/workflows/rex.yml

@@ -53,7 +53,7 @@ jobs:
         cmake --build Einstein/Drivers/build
         cmake --install Einstein/Drivers/build
     - name: Store the REx
-      uses: actions/upload-artifact@v2
+      uses: actions/upload-artifact@v4
       with:
         name: Einstein.rex
         path: Einstein/_Data_/Einstein.rex

Diff for: CMakeLists.txt

@@ -485,12 +485,12 @@ if(CLANG_FORMAT_EXECUTABLE)
     set(CLANG_FORMAT_FOUND TRUE)
     message(STATUS "Found clang-format at ${CLANG_FORMAT_EXECUTABLE}")
   else()
-    message(STATUS "clang-format not usable, as version of ${CLANG_FORMAT_EXECUTABLE} doesn't match : ${CLANG_FORMAT_VERSION_MAJOR} < 13")
+    message(WARNING "clang-format not usable, as version of ${CLANG_FORMAT_EXECUTABLE} doesn't match : ${CLANG_FORMAT_VERSION_MAJOR} < 13")
     set(CLANG_FORMAT_FOUND FALSE)
   endif()
 else()
   set(CLANG_FORMAT_FOUND FALSE)
-    message(STATUS "clang-format not found")
+    message(WARNING "clang-format not found")
 endif()
 
 if(CLANG_FORMAT_FOUND)