* Update CI to run with latest ubuntu, test against ruby 3.2, update …

…actions/checkout & codecov/codecov-action

.github/workflows/main.yml

@@ -11,15 +11,20 @@ on:
 jobs:
   base:
     name: Ruby ${{ matrix.ruby }}
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     strategy:
       fail-fast: false
       matrix:
-        ruby: ["2.6", "2.7", "3.0", "3.1"]
+        ruby:
+          - "2.6"
+          - "2.7"
+          - "3.0"
+          - "3.1"
+          - "3.2"
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       # This setup is not compatible with the way Travis CI was
       # setup, so the cache will only work for the root folder.
@@ -30,9 +35,9 @@ jobs:
           bundler-cache: true
 
       - name: Rake
-        run: rake
+        run: bundle exec rake
 
-      - uses: codecov/codecov-action@v2
+      - uses: codecov/codecov-action@v3
 
   lint:
     runs-on: ubuntu-latest