feat: [Container] add node_kernel_module_loading field to LinuxNodeConfig (#8678)

* feat: add node_kernel_module_loading field to LinuxNodeConfig
feat: add network_tier_config field to NodeNetworkConfig
feat: add writable_cgroups field to ContainerdConfig
feat: deprecate enable_legacy_lustre_port field in LustreCsiDriverConfig
feat: add network_tier_config field to IPAllocationPolicy
feat: deprecate enterprise_config field in Cluster
feat: deprecate desired_enterprise_config field in ClusterUpdate
feat: add autoscaled_rollout_policy field to BlueGreenSettings
feat: add end_time_behavior field to MaintenanceExclusionOptions
feat: add privileged_admission_config field to Autopilot
feat: add membership_type field to Fleet
feat: add rotation_config field to SecretManagerConfig
docs: various documentation fixes

PiperOrigin-RevId: 822311698

Source-Link: googleapis/googleapis@94ccdfe

Source-Link: googleapis/googleapis-gen@bc8b280
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Container/metadata/V1/ClusterService.php

@@ -38,7 +38,7 @@
  * network](https://cloud.google.com/compute/docs/networks-and-firewalls#networks).
  *
  * One firewall is added for the cluster. After cluster creation,
- * the Kubelet creates routes for each node to allow the containers
+ * the kubelet creates routes for each node to allow the containers
  * on that node to communicate with all other instances in the
  * cluster.
  *

Container/samples/V1/ClusterManagerClient/create_cluster.php

@@ -468,7 +468,7 @@ public function completeNodePoolUpgrade(CompleteNodePoolUpgradeRequest $request,
      * network](https://cloud.google.com/compute/docs/networks-and-firewalls#networks).
      *
      * One firewall is added for the cluster. After cluster creation,
-     * the Kubelet creates routes for each node to allow the containers
+     * the kubelet creates routes for each node to allow the containers
      * on that node to communicate with all other instances in the
      * cluster.
      *