Restmapper cache

[alexsomesan]

Description

• Update client-go to v0.21.7
• Used the cached version of the RESTMapper client.
• Don't repeat reading the OpenAPI spec document from the API after each apply.

Acceptance tests

• Have you added an acceptance test for the functionality being added?
• Have you run the acceptance tests on this branch?

Output from acceptance testing:

Before:

Apply complete! Resources: 45 added, 0 changed, 0 destroyed.
terraform apply -auto-approve  111.39s user 3.13s system 67% cpu 2:50.68 total

After:

Apply complete! Resources: 45 added, 0 changed, 0 destroyed.
terraform apply -auto-approve  78.20s user 2.68s system 88% cpu 1:31.45 total

Release Note

Release note for CHANGELOG:

* improve performance for the "kubernetes_manifest" resource.

References

Community Note

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[github-actions]

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