Renaming latest->stable, master->latest.

fix!: Remove schemas.MachineType.scratchDisks.scratchDisk from config (#1027)

The field and type have already been through a deprecation process.  This is an intended breaking change. Googlers: see cl/751378213
Source-Link: googleapis/googleapis@e1e3efd

fix!: Remove schemas.MachineType.scratchDisks.scratchDisk from config (#1027)

The field and type have already been through a deprecation process.  This is an intended breaking change. Googlers: see cl/751378213
Source-Link: googleapis/googleapis@e1e3efd

fix!: Remove schemas.MachineType.scratchDisks.scratchDisk from config (#1027)

The field and type have already been through a deprecation process.  This is an intended breaking change. Googlers: see cl/751378213
build(python): add service_yaml and rest_numeric_enums configurations (#1040)


Source-Link: googleapis/googleapis@e1e3efd
Source-Link: googleapis/googleapis@1a22026

* chore(docs): added imports into snippets

* simplify print regions

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [google-api-core](https://togithub.com/googleapis/python-api-core) | `==2.1.0` -> `==2.1.1` | [![age](https://badges.renovateapi.com/packages/pypi/google-api-core/2.1.1/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/pypi/google-api-core/2.1.1/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/pypi/google-api-core/2.1.1/compatibility-slim/2.1.0)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/pypi/google-api-core/2.1.1/confidence-slim/2.1.0)](https://docs.renovatebot.com/merge-confidence/) |

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### Release Notes

<details>
<summary>googleapis/python-api-core</summary>

### [`v2.1.1`](https://togithub.com/googleapis/python-api-core/blob/master/CHANGELOG.md#&#8203;211-httpswwwgithubcomgoogleapispython-api-corecomparev210v211-2021-10-13)

[Compare Source](https://togithub.com/googleapis/python-api-core/compare/v2.1.0...v2.1.1)

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* chore: remove unused files

* 🦉 Updates from OwlBot post-processor

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

---------

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

Towards googleapis/librarian#2459

Co-authored-by: arithmetic1728 <58957152+arithmetic1728@users.noreply.github.com>

* chore(docs): added imports into snippets

* simplify print regions

deps!: BigQuery Storage and pyarrow are required dependencies (#776)

fix!: use nullable `Int64` and `boolean` dtypes in `to_dataframe` (#786) 

feat!: destination tables are no-longer removed by `create_job` (#891)

feat!: In `to_dataframe`, use `dbdate` and `dbtime` dtypes from db-dtypes package for BigQuery DATE and TIME columns (#972)

fix!: automatically convert out-of-bounds dates in `to_dataframe`, remove `date_as_object` argument (#972)

feat!: mark the package as type-checked (#1058)

feat!: default to DATETIME type when loading timezone-naive datetimes from Pandas (#1061)

feat: add `api_method` parameter to `Client.query` to select `INSERT` or `QUERY` API (#967)

fix: improve type annotations for mypy validation (#1081)

feat: use `StandardSqlField` class for `Model.feature_columns` and `Model.label_columns` (#1117)

docs: Add migration guide from version 2.x to 3.x (#1027)

Release-As: 3.0.0

* add sample and sample test for transfer manager download blob as chunks concurrently method

* chore: modify format for int

* chore: refactor transfer manager sample names and tests

---------

Co-authored-by: Andrew Gorcester <gorcester@google.com>

* feat: Batch Write API implementation and samples

* Update sample

* review comments

* return public class for mutation groups

* Update google/cloud/spanner_v1/batch.py

Co-authored-by: Sri Harsha CH <57220027+harshachinta@users.noreply.github.com>

* Update google/cloud/spanner_v1/batch.py

Co-authored-by: Sri Harsha CH <57220027+harshachinta@users.noreply.github.com>

* review comments

* remove doc

* feat(spanner): nit sample data refactoring

* review comments

* fix test

---------

Co-authored-by: Sri Harsha CH <57220027+harshachinta@users.noreply.github.com>
Co-authored-by: Sri Harsha CH <sriharshach@google.com>