workflows: disable linting, add next gen config opt

Linting on GH is currently broken.

.github/workflows/lint-and-test.yml

@@ -15,19 +15,20 @@ concurrency:
   cancel-in-progress: true
 
 jobs:
-  golangci:
-    if: github.repository == 'twmb/franz-go'
-    runs-on: ubuntu-latest
-    name: "golangci-lint on amd64"
-    steps:
-      - uses: actions/checkout@v4
-      - uses: actions/setup-go@v5
-        with:
-          go-version: 'stable'
-      - uses: golangci/golangci-lint-action@v6
-        with:
-          version: latest
-          args: --timeout=5m
+  # Currently broken. Running these locally.
+  #golangci:
+  #  if: github.repository == 'twmb/franz-go'
+  #  runs-on: ubuntu-latest
+  #  name: "golangci-lint on amd64"
+  #  steps:
+  #    - uses: actions/checkout@v4
+  #    - uses: actions/setup-go@v5
+  #      with:
+  #        go-version: 'stable'
+  #    - uses: golangci/golangci-lint-action@v6
+  #      with:
+  #        version: latest
+  #        args: --timeout=5m
 
   test-kfake:
     if: github.repository == 'twmb/franz-go'
@@ -58,6 +59,7 @@ jobs:
           KAFKA_CFG_TRANSACTION_PARTITION_VERIFICATION_ENABLE: false
           # Set this to "PLAINTEXT://127.0.0.1:9092" if you want to run this container on localhost via Docker
           KAFKA_CFG_ADVERTISED_LISTENERS: PLAINTEXT://kafka:9092
+          KAFKA_CFG_GROUP_COORDINATOR_REBALANCE_PROTOCOLS: classic,consumer
           KAFKA_CFG_NODE_ID: 1
           ALLOW_PLAINTEXT_LISTENER: yes
           KAFKA_KRAFT_CLUSTER_ID: XkpGZQ27R3eTl3OdTm2LYA # 16 byte base64-encoded UUID