deps: update dependency com.google.cloud:google-cloud-monitoring-bom to v2.3.0 (#2117)
deps: update dependency com.google.cloud:google-cloud-monitoring-bom to v2.3.0 (#2117)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [com.google.cloud:google-cloud-monitoring-bom](https://togithub.com/googleapis/java-monitoring) | `2.2.3` -> `2.3.0` | [![age](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-monitoring-bom/2.3.0/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-monitoring-bom/2.3.0/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-monitoring-bom/2.3.0/compatibility-slim/2.2.3)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-monitoring-bom/2.3.0/confidence-slim/2.2.3)](https://docs.renovatebot.com/merge-confidence/) |

---

### Release Notes

<details>
<summary>googleapis/java-monitoring</summary>

### [`v2.3.0`](https://togithub.com/googleapis/java-monitoring/blob/master/CHANGELOG.md#&#8203;230-httpswwwgithubcomgoogleapisjava-monitoringcomparev223v230-2021-05-26)

[Compare Source](https://togithub.com/googleapis/java-monitoring/compare/v2.2.3...v2.3.0)

##### Features

-   add `gcf-owl-bot[bot]` to `ignoreAuthors` ([#&#8203;558](https://www.github.com/googleapis/java-monitoring/issues/558)) ([38ba442](https://www.github.com/googleapis/java-monitoring/commit/38ba44243fc53b769805f1a302ba1799fce6145f))

##### Dependencies

-   update dependency com.google.cloud:google-cloud-shared-dependencies to v1.2.0 ([#&#8203;557](https://www.github.com/googleapis/java-monitoring/issues/557)) ([30dd87f](https://www.github.com/googleapis/java-monitoring/commit/30dd87fa16ac266e681e777ca53b530c7c1751c0))
-   update dependency com.google.protobuf:protobuf-java-util to v3.17.1 ([#&#8203;564](https://www.github.com/googleapis/java-monitoring/issues/564)) ([227eee4](https://www.github.com/googleapis/java-monitoring/commit/227eee4edb7a37cfe6cdad2e6c040f65ce0c96ce))

##### [2.2.3](https://www.github.com/googleapis/java-monitoring/compare/v2.2.2...v2.2.3) (2021-05-14)

##### Dependencies

-   update dependency com.google.protobuf:protobuf-java-util to v3.17.0 ([#&#8203;547](https://www.github.com/googleapis/java-monitoring/issues/547)) ([020b40d](https://www.github.com/googleapis/java-monitoring/commit/020b40df07df50f624132bda0cec5e780ff38055))

##### [2.2.2](https://www.github.com/googleapis/java-monitoring/compare/v2.2.1...v2.2.2) (2021-05-11)

##### Dependencies

-   update dependency com.google.cloud:google-cloud-shared-dependencies to v1.1.0 ([#&#8203;540](https://www.github.com/googleapis/java-monitoring/issues/540)) ([8f07c54](https://www.github.com/googleapis/java-monitoring/commit/8f07c54c78046b30f7dfd49ddf54ba932db7787d))
-   update dependency com.google.protobuf:protobuf-java-util to v3.16.0 ([#&#8203;537](https://www.github.com/googleapis/java-monitoring/issues/537)) ([e83413c](https://www.github.com/googleapis/java-monitoring/commit/e83413cf34e6b67c84ff60a148f6dc22af49f18b))

##### [2.2.1](https://www.github.com/googleapis/java-monitoring/compare/v2.2.0...v2.2.1) (2021-04-24)

##### Bug Fixes

-   release scripts from issuing overlapping phases ([#&#8203;491](https://www.github.com/googleapis/java-monitoring/issues/491)) ([2649814](https://www.github.com/googleapis/java-monitoring/commit/26498148c73349b8d27617c3492532ddf28e1561))
-   typo ([#&#8203;488](https://www.github.com/googleapis/java-monitoring/issues/488)) ([860e81c](https://www.github.com/googleapis/java-monitoring/commit/860e81c631c0211f8f2a26aa64daccf2cad6f3fc))

##### Dependencies

-   update dependency com.google.cloud:google-cloud-shared-dependencies to v0.21.1 ([#&#8203;494](https://www.github.com/googleapis/java-monitoring/issues/494)) ([d378046](https://www.github.com/googleapis/java-monitoring/commit/d378046da57095904ffc91e9528535def27cbc82))
-   update dependency com.google.cloud:google-cloud-shared-dependencies to v1 ([#&#8203;523](https://www.github.com/googleapis/java-monitoring/issues/523)) ([3460aad](https://www.github.com/googleapis/java-monitoring/commit/3460aad7a595aeb55d0d17a93e7477b63ae931cc))

</details>

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