fix: use Ubuntu 22 instead of 20 to make CI run again

Author: Tom94

.github/workflows/main.yml

@@ -33,22 +33,22 @@ jobs:
           - os: ubuntu-22.04
             cuda: "11.7"
             arch: 89
-          - os: ubuntu-20.04
+          - os: ubuntu-22.04
             cuda: "11.3"
             arch: 86
-          - os: ubuntu-20.04
+          - os: ubuntu-22.04
             cuda: "11.3"
             arch: 75
-          - os: ubuntu-20.04
+          - os: ubuntu-22.04
             cuda: "11.3"
             arch: 70
-          - os: ubuntu-20.04
+          - os: ubuntu-22.04
             cuda: "11.3"
             arch: 61
-          - os: ubuntu-20.04
+          - os: ubuntu-22.04
             cuda: "11.3"
             arch: 53
-          - os: ubuntu-20.04
+          - os: ubuntu-22.04
             cuda: "11.3"
             arch: 37
     env: