Bump Ubuntu from 20.04 to 22.04 (#179)

Author: leotm

.github/workflows/build.yaml

@@ -12,7 +12,7 @@ on:
 
 jobs:
     build:
-      runs-on: ubuntu-20.04
+      runs-on: ubuntu-22.04
       env:
         IMAGE_TAG: react-native
       steps:

.github/workflows/publish.yml

@@ -6,7 +6,7 @@ on:
 jobs:
   publish_to_dockerhub:
     name: Publish to Docker Hub
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     if: ${{ startsWith(github.ref, 'refs/tags/v') }}
     steps:
       - name: Check out the repo