ci: upgrade upload-artifact action to v4

Author: gary7530

.github/workflows/ci.yaml

@@ -60,21 +60,21 @@ jobs:
 
       - name: Upload test logs
         if: ${{ always() }}
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: testing-shl-${{ matrix.build_single_header }}
           path: ${{github.workspace}}/build/Testing
 
       - name: Upload coverage
         if: ${{ matrix.build_single_header == 'OFF' }}
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: coverage
           path: ${{github.workspace}}/build/coverage_xml.xml
 
       - name: Upload generated header
         if: ${{ matrix.build_single_header == 'ON' }}
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: single-header
           path: ${{github.workspace}}/lib/shl/embedded_cli.h
@@ -136,13 +136,13 @@ jobs:
 
       - name: Upload test logs
         if: ${{ always() }}
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: testing-win-${{ matrix.arch }}
           path: ${{github.workspace}}/build/Testing
 
       - name: Upload windows examples
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: windows-example-${{ matrix.arch }}
           path: ${{github.workspace}}/build/examples/win32-example/Release/embedded_cli_win32.exe
@@ -172,7 +172,7 @@ jobs:
 
       - name: Upload test logs
         if: ${{ always() }}
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: testing-mac
           path: ${{github.workspace}}/build/Testing