feat: add compact placement feature for node pools

[gcf-owl-bot]

BEGIN_COMMIT_OVERRIDE
feat: add compact placement feature for node pools
feat: GKE cluster's control plan/node-pool network isolation
feat: add nodeconfig resource_labels api
feat: add API to enable GKE Gateway controller
feat: add support for google.cloud.container.__version__
fix: Add dict typing for client_options
chore: update to gapic-generator-python 1.6.1
chore: use autogenerated setup.py
feat: Add typing to proto.Message based class attributes

docs(samples): Snippetgen handling of repeated enum field

END_COMMIT_OVERRIDE

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Use a compact placement policy to specify that nodes within the node pool should be placed in closer physical proximity to each other within a zone. Having nodes closer to each other can reduce network latency between nodes, which can be useful for tightly-coupled batch workloads.

PiperOrigin-RevId: 488490422

Source-Link: googleapis/googleapis@452324b

Source-Link: https://github.com/googleapis/googleapis-gen/commit/008d00f619f8319eb584f26da56c1ca26e65bcd6
Copy-Tag: eyJwIjoiLmdpdGh1Yi8uT3dsQm90LnlhbWwiLCJoIjoiMDA4ZDAwZjYxOWY4MzE5ZWI1ODRmMjZkYTU2YzFjYTI2ZTY1YmNkNiJ9
feat: GKE cluster's control plan/node-pool network isolation

Users now can change the network isolation for your public cluster's control plane.
By default, when a new public cluster is created, GKE assigns a public IP address (external endpoint) to the control plane and provisions
public nodes. New APIs allows to change cluster network isolation of the control plane and/or node-pool from the internet

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feat: add nodeconfig resource_labels api

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feat: add API to enable GKE Gateway controller

PiperOrigin-RevId: 486164143

Source-Link: googleapis/googleapis@e4a656d

Source-Link: https://github.com/googleapis/googleapis-gen/commit/9e757e1d7171e1e92bf4dae548a38563cdd4fb65
Copy-Tag: eyJwIjoiLmdpdGh1Yi8uT3dsQm90LnlhbWwiLCJoIjoiOWU3NTdlMWQ3MTcxZTFlOTJiZjRkYWU1NDhhMzg1NjNjZGQ0ZmI2NSJ9

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