Replace Ubuntu 20.04 (deprecated) with 22.04 (#104)

Author: davidtvs

.github/workflows/ci_build.yml

@@ -15,12 +15,12 @@ jobs:
     strategy:
       matrix:
         include:
-          - label: Ubuntu 20.04 - Python 3.6 - PyTorch 1.0.0
-            python-version: "3.6"
-            pytorch-version: torch==1.0.0 -f https://download.pytorch.org/whl/cpu/torch_stable.html
-            os: ubuntu-20.04
-          - label: Ubuntu latest - Python 3.10 - PyTorch stable
+          - label: Ubuntu 22.04 - Python 3.10 - PyTorch 1.11.0
             python-version: "3.10"
+            pytorch-version: torch==1.11.0+cpu torchvision==0.12.0+cpu torchaudio==0.11.0 --extra-index-url https://download.pytorch.org/whl/cpu
+            os: ubuntu-22.04
+          - label: Ubuntu latest - Python 3.12 - PyTorch stable
+            python-version: "3.12"
             pytorch-version: torch
             os: ubuntu-latest
     runs-on: ${{ matrix.os }}