Update workflows to use Ubuntu-22.04

Author: haslinghuis

.github/workflows/ci.yml

@@ -21,7 +21,7 @@ jobs:
       matrix:
         include:
           - name: Linux
-            os: ubuntu-20.04
+            os: ubuntu-22.04
             releaseArgs: --linux64
 
           - name: macOS

.github/workflows/nightly.yml

@@ -28,7 +28,7 @@ jobs:
   release:
     name: Release
     needs: ci
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     steps:
       - name: Fetch build artifacts
         uses: actions/download-artifact@v2