Update runner os

Author: cavallium

.github/workflows/maven-publish.yml

@@ -16,7 +16,7 @@ jobs:
     strategy:
       matrix:
         include:
-          - { os: ubuntu-20.04, arch: "linux/amd64" }
+          - { os: ubuntu-22.04, arch: "linux/amd64" }
     runs-on: ${{ matrix.os }}
     steps:
       - name: Branch name and revision