Bump actions/upload-artifact from 5 to 6

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 5 to 6.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](https://github.com/actions/upload-artifact/compare/v5...v6)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/appimage.yml

@@ -266,7 +266,7 @@ jobs:
           fi
 
       - name: Upload artifacts
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: linux-${{ steps.version.outputs.tag }}-${{ matrix.id }} AppImage
           path: artifacts/

.github/workflows/build.yml

@@ -97,7 +97,7 @@ jobs:
       run: cp Windows/Release/*.exe ppsspp/
 
     - name: Upload build
-      uses: actions/upload-artifact@v5
+      uses: actions/upload-artifact@v6
       with:
         name: Windows ${{ matrix.platform }} build
         path: ppsspp/
@@ -368,14 +368,14 @@ jobs:
         fi
 
     - name: Upload build
-      uses: actions/upload-artifact@v5
+      uses: actions/upload-artifact@v6
       if: matrix.extra == 'test'
       with:
         name: ${{ matrix.os }} build
         path: ppsspp/
 
     - name: Upload iOS build
-      uses: actions/upload-artifact@v5
+      uses: actions/upload-artifact@v6
       if: matrix.id == 'ios'
       with:
         name: ${{ matrix.id }} build

.github/workflows/manual_generate_apk.yml

@@ -75,7 +75,7 @@ jobs:
           fi
 
       - name: Upload artifact
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: android-${{ github.event.inputs.buildVariant }} build
           path: ppsspp/

.github/workflows/manual_generate_ipa.yml

@@ -81,13 +81,13 @@ jobs:
           fi
 
       - name: Upload IPA artifact
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: iOS-IPA build
           path: ppsspp/*.ipa
 
       - name: Upload DEB artifact
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: iOS-DEB build
           path: ppsspp/*.deb

.github/workflows/manual_generate_uwp.yml

@@ -111,7 +111,7 @@ jobs:
           #ls ppsspp
           
       - name: Upload artifact
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: UWP-${{ github.event.inputs.buildConfiguration }}-${{ github.event.inputs.buildPlatform }} build
           path: ppsspp/