This PR contains missing admin samples/integration tests.

* feat: Managed Autoscaler

* refactor: sample for managed autoscaler

* refactor comments

* refactor: integration tests

* 🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

* refactor: sample

* refactor: comments

* refactor: comments

* refactor: comments

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Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

* fix: Add client library version to headers
fix: Allow bundlers to bundle JSON files correctly for ESM
deps: Update dependency google-gax to ^4.3.1
fix: Export types from protos in ESM

PiperOrigin-RevId: 609821360

Source-Link: googleapis/googleapis@5c5ecf0

Source-Link: googleapis/googleapis-gen@b875fcd
Copy-Tag: eyJwIjoiLmdpdGh1Yi8uT3dsQm90LnlhbWwiLCJoIjoiYjg3NWZjZGQxNGI0ZGVmNjUyMTgyOTMwMDNkOWJlYzRiODQyZWNhNyJ9

* feat: Add instance partition support to spanner instance proto

PiperOrigin-RevId: 611127452

Source-Link: googleapis/googleapis@618d47c

Source-Link: googleapis/googleapis-gen@92d8555
Copy-Tag: eyJwIjoiLmdpdGh1Yi8uT3dsQm90LnlhbWwiLCJoIjoiOTJkODU1NTg4ODI4NDMwZThiNDI4ZWQ3ODIxOWUyM2VlNjY2ZGE3OCJ9

* feat: add SpannerExecutorProxyClient to index.ts

* 🦉 Updates from OwlBot post-processor

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Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>
Co-authored-by: Sri Harsha CH <[email protected]>

* Add a sample

* update copywrite year

* Comments.

* Lint

* Change to transaction.commit

* Update test.

* 🦉 Updates from OwlBot post-processor

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* Remove added lines from merge

* Change SingerId

* Add an integration test

* Add a comment

* fix regex

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Co-authored-by: surbhigarg92 <[email protected]>
Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

* chore: add integration tests in main test file for the samples

* fix: lint errors

* fix: presubmit error

* fix: presubmit error

* fix: presubmit error

* fix: lint errors

* fix: presubmit errors

* fix: presubmit errors

* fix: presubmit errors

* fix: presubmit errors

* fix: presubmit errors

* fix: presubmit errors

This PR contains support for FLOAT32 type on Cloud Spanner.

Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>