Upgrading GHA upload action version.

Author: dvorka

.github/workflows/build_macos.yml

@@ -20,7 +20,7 @@ jobs:
         run: cd deps/cmark-gfm && mkdir -v build && cd build && cmake -DCMARK_TESTS=OFF -DCMARK_SHARED=OFF .. && cmake --build .
 
       - name: Run QMake
-        run: pwd ; qmake -r "CONFIG+=mfci" mindforger.pro 
+        run: pwd ; qmake -r "CONFIG+=mfci" mindforger.pro
 
       - name: Run Make
         run: make -j 4
@@ -29,7 +29,7 @@ jobs:
         run: cd build/macos && ./dmg-package-build.sh ci
 
       - name: Archive push build artifacts
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v4
         with:
           name: macos-ci-build
           path: app/*.dmg

.github/workflows/build_ubuntu.yml

@@ -32,7 +32,7 @@ jobs:
         run: mkdir -v ../work-tarball && cp -vf build/tarball/tarball-build.sh ../work-tarball && cd ../work-tarball && ./tarball-build.sh ci
 
       - name: Archive push build artifacts
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v4
         with:
           name: tarball-ci-build
           path: /home/runner/work/mindforger/work-tarball/*.tgz