Bump Go version for OATs (#110)

Author: matt-hensley

.github/workflows/oats.yml

@@ -20,7 +20,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v5
         with:
-          go-version: '1.20'
+          go-version: '1.22'
           cache-dependency-path: oats/go.sum
       - name: Run acceptance tests
         run: ./scripts/run-oats-tests.sh