chore(deps): update dependency gradle to v7.2 (#848)

[![WhiteSource Renovate](https://app.renovatebot.com/images/banner.svg)](https://renovatebot.com)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [gradle](https://gradle.org) ([source](https://togithub.com/gradle/gradle)) | minor | `7.0.2` -> `7.2` |

---

### Release Notes

<details>
<summary>gradle/gradle</summary>

### [`v7.2`](https://togithub.com/gradle/gradle/compare/v7.1.1...v7.2.0)

### [`v7.1.1`](https://togithub.com/gradle/gradle/releases/v7.1.1)

This is a patch release for Gradle 7.1.

It fixes the following issues:

-   [#&#8203;17488](https://togithub.com/gradle/gradle/issues/17488) Many Micronaut builds failing with NPE with Gradle 7.1 & JDK 8
-   [#&#8203;17548](https://togithub.com/gradle/gradle/issues/17548) \[Configuration cache] Task not up-to-date for SantaTracker
-   [#&#8203;17542](https://togithub.com/gradle/gradle/issues/17542) \[Configuration cache] Filtered FC with mapped elements stored incorrectly

We recommend users upgrade to 7.1.1 instead of 7.1.

#### Upgrade Instructions

Switch your build to use Gradle 7.1.1 by updating your wrapper:

    ./gradlew wrapper --gradle-version=7.1.1

See the [Gradle 7.x upgrade guide](https://docs.gradle.org/7.1.1/userguide/upgrading_version\_7.html#changes\_7.1) to learn about deprecations, breaking changes and other considerations when upgrading to Gradle 7.1.1.

#### Reporting Problems

If you find a problem with this release, please file a bug on [GitHub Issues](https://togithub.com/gradle/gradle/issues) adhering to our issue guidelines.
If you're not sure you're encountering a bug, please use the [forum](https://discuss.gradle.org/c/help-discuss).

### [`v7.1`](https://togithub.com/gradle/gradle/compare/v7.0.2...v7.1.0)

</details>

---

### Configuration

📅 **Schedule**: At any time (no schedule defined).

🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied.

♻ **Rebasing**: Renovate will not automatically rebase this PR, because other commits have been found.

🔕 **Ignore**: Close this PR and you won't be reminded about this update again.

---

 - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box.

---

This PR has been generated by [WhiteSource Renovate](https://renovate.whitesourcesoftware.com). View repository job log [here](https://app.renovatebot.com/dashboard#github/googleapis/gapic-generator-java).

Author: renovate-bot

rules_java_gapic/resources/gradle/gradle/wrapper/gradle-wrapper.properties

@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.0.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.2-bin.zip