circleci: use xlarge instances again

We temporarily moved away from them since they were not supported in our
CircleCI plan. Using the xlarge instances reduced the diff to upstream
an might make CI jobs more reliable.

.circleci/config.yml

@@ -65,6 +65,7 @@ jobs:
   pnpm-monorepo:
     docker:
       - image: us-docker.pkg.dev/oplabs-tools-artifacts/images/ci-builder:latest
+    resource_class: xlarge
     steps:
       - checkout
       - check-changed:
@@ -130,7 +131,7 @@ jobs:
   contracts-bedrock-tests:
     docker:
       - image: us-docker.pkg.dev/oplabs-tools-artifacts/images/ci-builder:latest
-    resource_class: large
+    resource_class: xlarge
     steps:
       - checkout
       - check-changed:
@@ -150,7 +151,7 @@ jobs:
   contracts-bedrock-checks:
     docker:
       - image: us-docker.pkg.dev/oplabs-tools-artifacts/images/ci-builder:latest
-    resource_class: large
+    resource_class: xlarge
     steps:
       - checkout
       - restore_cache:
@@ -510,6 +511,7 @@ jobs:
         type: string
     docker:
       - image: us-docker.pkg.dev/oplabs-tools-artifacts/images/ci-builder:latest # only used to enable codecov.
+    resource_class: xlarge
     steps:
       - checkout
       - run:
@@ -540,6 +542,7 @@ jobs:
         type: string
     docker:
       - image: us-docker.pkg.dev/oplabs-tools-artifacts/images/ci-builder:latest
+    resource_class: xlarge
     steps:
       - checkout
       - check-changed:
@@ -1010,4 +1013,4 @@ workflows:
       - check-generated-mocks-op-node
       - check-generated-mocks-op-service
       - cannon-go-lint-and-test
-      - cannon-build-test-vectors
+      - cannon-build-test-vectors