chore(deps): update dependency google-cloud-vision to v2.5.0 (GoogleCloudPlatform#6914)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [google-cloud-vision](https://togithub.com/googleapis/python-vision) | `==2.4.4` -> `==2.5.0` | [![age](https://badges.renovateapi.com/packages/pypi/google-cloud-vision/2.5.0/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/pypi/google-cloud-vision/2.5.0/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/pypi/google-cloud-vision/2.5.0/compatibility-slim/2.4.4)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/pypi/google-cloud-vision/2.5.0/confidence-slim/2.4.4)](https://docs.renovatebot.com/merge-confidence/) |

---

### Release Notes

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

### [`v2.5.0`](https://togithub.com/googleapis/python-vision/blob/master/CHANGELOG.md#&#8203;250-httpswwwgithubcomgoogleapispython-visioncomparev244v250-2021-10-08)

[Compare Source](https://togithub.com/googleapis/python-vision/compare/v2.4.4...v2.5.0)

##### Features

-   add context manager support in client ([#&GoogleCloudPlatform#8203;247](https://www.togithub.com/googleapis/python-vision/issues/247)) ([629365f](https://www.github.com/googleapis/python-vision/commit/629365f32d67bf3a6863615832e5443e185b8e3b))

##### [2.4.4](https://www.github.com/googleapis/python-vision/compare/v2.4.3...v2.4.4) (2021-09-30)

##### Bug Fixes

-   improper types in pagers generation ([29b57f6](https://www.github.com/googleapis/python-vision/commit/29b57f6ef6506ba36c66e18d46781e6a15e872b2))

##### [2.4.3](https://www.github.com/googleapis/python-vision/compare/v2.4.2...v2.4.3) (2021-09-27)

##### Bug Fixes

-   add 'dict' annotation type to 'request' ([87ad0ea](https://www.github.com/googleapis/python-vision/commit/87ad0eabbba08754320fd836c5e76fba48222b5c))

##### [2.4.2](https://www.github.com/googleapis/python-vision/compare/v2.4.1...v2.4.2) (2021-07-29)

##### Bug Fixes

-   enable self signed jwt for grpc ([#&GoogleCloudPlatform#8203;207](https://www.togithub.com/googleapis/python-vision/issues/207)) ([f5b5ca5](https://www.github.com/googleapis/python-vision/commit/f5b5ca52aaa04dbe91dcf32097309e00593b5ce9))

##### Documentation

-   add Samples section to CONTRIBUTING.rst ([#&GoogleCloudPlatform#8203;201](https://www.togithub.com/googleapis/python-vision/issues/201)) ([f6eaa1c](https://www.github.com/googleapis/python-vision/commit/f6eaa1c0a89258f9378672b8713990fc10cea0c9))

##### Miscellaneous Chores

-   release as 2.4.2 ([#&GoogleCloudPlatform#8203;209](https://www.togithub.com/googleapis/python-vision/issues/209)) ([8d48b1b](https://www.github.com/googleapis/python-vision/commit/8d48b1b2284da8eff95190478292f5422d59a2f1))

##### [2.4.1](https://www.github.com/googleapis/python-vision/compare/v2.4.0...v2.4.1) (2021-07-21)

##### Bug Fixes

-   **deps:** pin 'google-{api,cloud}-core', 'google-auth' to allow 2.x versions ([#&GoogleCloudPlatform#8203;200](https://www.togithub.com/googleapis/python-vision/issues/200)) ([1409d36](https://www.github.com/googleapis/python-vision/commit/1409d366835f3e12bc5b26c09123b2e70f9dcb70))

</details>

---

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codelabs/flex_and_vision/requirements.txt

@@ -1,6 +1,6 @@
 Flask==2.0.1
 gunicorn==20.0.4; python_version > '3.0'
 gunicorn==19.10.0; python_version < '3.0'
-google-cloud-vision==2.4.4
+google-cloud-vision==2.5.0
 google-cloud-storage==1.42.2
 google-cloud-datastore==2.2.0

functions/imagemagick/requirements.txt

@@ -1,3 +1,3 @@
-google-cloud-vision==2.4.4
+google-cloud-vision==2.5.0
 google-cloud-storage==1.42.2
 Wand==0.6.7

functions/ocr/app/requirements.txt

@@ -1,4 +1,4 @@
 google-cloud-pubsub==2.8.0
 google-cloud-storage==1.42.2
 google-cloud-translate==3.4.1
-google-cloud-vision==2.4.4
+google-cloud-vision==2.5.0

run/image-processing/requirements.txt

@@ -2,6 +2,6 @@ Flask==2.0.1
 pytest==5.3.0; python_version > "3.0"
 pytest==4.6.6; python_version < "3.0"
 gunicorn==20.1.0
-google-cloud-vision==2.4.4
+google-cloud-vision==2.5.0
 google-cloud-storage==1.42.2
 Wand==0.6.7