Bump actions/upload-artifact from 6 to 7

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 6 to 7.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](https://github.com/actions/upload-artifact/compare/v6...v7)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-version: '7'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/package-linux.yml

@@ -59,7 +59,7 @@ jobs:
       env:
         UPDATE_INFO: gh-releases-zsync|ciromattia|kcc|latest|*x86_64.AppImage.zsync
     - name: upload artifact
-      uses: actions/upload-artifact@v6
+      uses: actions/upload-artifact@v7
       with:
         name: AppImage
         path: './*.AppImage*'

.github/workflows/package-macos.yml

@@ -80,7 +80,7 @@ jobs:
         run: |
           python setup.py build_binary
       - name: upload build
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         with:
           name: mac-os-build-${{ runner.arch }}
           path: dist/*.dmg

.github/workflows/package-osx-legacy.yml

@@ -51,7 +51,7 @@ jobs:
         run: |
           python3 setup.py build_binary
       - name: upload build
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         with:
           name: osx-build-${{ runner.arch }}
           path: dist/*.dmg

.github/workflows/package-windows.yml

@@ -53,7 +53,7 @@ jobs:
           python setup.py ${{ matrix.command }}
       - name: upload-unsigned-artifact
         id: upload-unsigned-artifact
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         with:
           name: windows-build-${{ matrix.entry }}
           path: dist/*.exe

.github/workflows/package-windows7.yml

@@ -46,7 +46,7 @@ jobs:
           python setup.py build_binary
       - name: upload-unsigned-artifact
         id: upload-unsigned-artifact
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         with:
           name: windows7-build
           path: dist/*.exe