Update actions/upload-artifact action to v7

Author: renovate[bot]

.github/workflows/appimage.yml

@@ -59,7 +59,7 @@ jobs:
       - name: Make AppImage
         run: /bin/sh ./make-appimage.sh
       - name: Upload artifact
-        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6.0.0
+        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
         with:
           name: AppImage-${{ matrix.arch }}
           path: dist