chore(deps): update all dependencies (#251)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [google-cloud-speech](https://github.com/googleapis/python-speech) | `==2.8.0` -> `==2.9.0` | [![age](https://badges.renovateapi.com/packages/pypi/google-cloud-speech/2.9.0/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/pypi/google-cloud-speech/2.9.0/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/pypi/google-cloud-speech/2.9.0/compatibility-slim/2.8.0)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/pypi/google-cloud-speech/2.9.0/confidence-slim/2.8.0)](https://docs.renovatebot.com/merge-confidence/) |
| [google-cloud-storage](https://github.com/googleapis/python-storage) | `==1.42.1` -> `==1.42.2` | [![age](https://badges.renovateapi.com/packages/pypi/google-cloud-storage/1.42.2/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/pypi/google-cloud-storage/1.42.2/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/pypi/google-cloud-storage/1.42.2/compatibility-slim/1.42.1)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/pypi/google-cloud-storage/1.42.2/confidence-slim/1.42.1)](https://docs.renovatebot.com/merge-confidence/) |

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### Release Notes

<details>
<summary>googleapis/python-speech</summary>

### [`v2.9.0`](https://github.com/googleapis/python-speech/blob/master/CHANGELOG.md#&#8203;290-httpswwwgithubcomgoogleapispython-speechcomparev280v290-2021-09-20)

[Compare Source](https://github.com/googleapis/python-speech/compare/v2.8.0...v2.9.0)

##### Features

-   add output_config request field ([#&#8203;252](https://www.github.com/googleapis/python-speech/issues/252)) ([b9f856e](https://www.github.com/googleapis/python-speech/commit/b9f856e93cbb926e9531639a9bb50c654ff1033e))

##### Documentation

-   **samples:** fixed model adaptation sample to correctly refer to custom classes ([#&#8203;246](https://www.github.com/googleapis/python-speech/issues/246)) ([5fa2433](https://www.github.com/googleapis/python-speech/commit/5fa243358ec5688a40ef0d5abf3802acfa931ea7))

</details>

<details>
<summary>googleapis/python-storage</summary>

### [`v1.42.2`](https://github.com/googleapis/python-storage/blob/master/CHANGELOG.md#&#8203;1422-httpswwwgithubcomgoogleapispython-storagecomparev1421v1422-2021-09-16)

[Compare Source](https://github.com/googleapis/python-storage/compare/v1.42.1...v1.42.2)

</details>

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speech/microphone/requirements.txt

@@ -1,4 +1,4 @@
-google-cloud-speech==2.8.0
+google-cloud-speech==2.9.0
 pyaudio==0.2.11
 six==1.16.0
 

speech/snippets/requirements.txt

@@ -1,2 +1,2 @@
-google-cloud-speech==2.8.0
-google-cloud-storage==1.42.1
+google-cloud-speech==2.9.0
+google-cloud-storage==1.42.2