chore(deps): update dependency com.google.auth:google-auth-library-oauth2-http to v1.7.0 (#855)
chore(deps): update dependency com.google.auth:google-auth-library-oauth2-http to v1.7.0 (#855)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [com.google.auth:google-auth-library-oauth2-http](https://togithub.com/googleapis/google-auth-library-java) | `1.6.0` -> `1.7.0` | [![age](https://badges.renovateapi.com/packages/maven/com.google.auth:google-auth-library-oauth2-http/1.7.0/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/com.google.auth:google-auth-library-oauth2-http/1.7.0/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/com.google.auth:google-auth-library-oauth2-http/1.7.0/compatibility-slim/1.6.0)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/com.google.auth:google-auth-library-oauth2-http/1.7.0/confidence-slim/1.6.0)](https://docs.renovatebot.com/merge-confidence/) |

---

### Release Notes

<details>
<summary>googleapis/google-auth-library-java</summary>

### [`v1.7.0`](https://togithub.com/googleapis/google-auth-library-java/blob/HEAD/CHANGELOG.md#&#8203;170-httpsgithubcomgoogleapisgoogle-auth-library-javacomparev160v170-2022-05-12)

[Compare Source](https://togithub.com/googleapis/google-auth-library-java/compare/v1.6.0...v1.7.0)

##### Features

-   Add ability to provide PrivateKey as Pkcs8 encoded string [#&#8203;883](https://togithub.com/googleapis/google-auth-library-java/issues/883) ([#&#8203;889](https://togithub.com/googleapis/google-auth-library-java/issues/889)) ([e0d6996](https://togithub.com/googleapis/google-auth-library-java/commit/e0d6996ac0db1bf75d92e5aba3eaab512affafe4))
-   Add iam endpoint override to ImpersonatedCredentials ([#&#8203;910](https://togithub.com/googleapis/google-auth-library-java/issues/910)) ([97bfc4c](https://togithub.com/googleapis/google-auth-library-java/commit/97bfc4c8ceb199e775784ac3ed4fa992d4d2dcbf))

##### Bug Fixes

-   update branding in ExternalAccountCredentials ([#&#8203;893](https://togithub.com/googleapis/google-auth-library-java/issues/893)) ([0200dbb](https://togithub.com/googleapis/google-auth-library-java/commit/0200dbb05cff06a333879cf99bac64adaada3239))

</details>

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