CI: update versions

.github/workflows/build.yml

@@ -3,7 +3,7 @@ on: [push, pull_request]
 
 jobs:
   build:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     steps:
     - name: Checkout
       uses: actions/checkout@v3
@@ -22,12 +22,12 @@ jobs:
     - name: Build
       run: make
     - name: Artifact AppImage
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: AppImage
         path: love-12.0-development.AppImage
     - name: Artifact Tape Archive
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: tar.gz
         path: love-12.0-development.tar.gz