deps: update dependency org.openjdk.jmh:jmh-core to v1.32 (#1221)

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

This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| org.openjdk.jmh:jmh-core | `1.31` -> `1.32` | [![age](https://badges.renovateapi.com/packages/maven/org.openjdk.jmh:jmh-core/1.32/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/org.openjdk.jmh:jmh-core/1.32/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/org.openjdk.jmh:jmh-core/1.32/compatibility-slim/1.31)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/org.openjdk.jmh:jmh-core/1.32/confidence-slim/1.31)](https://docs.renovatebot.com/merge-confidence/) |

---

### Configuration

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

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

♻️ **Rebasing**: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 **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/java-spanner).

Author: renovate-bot

google-cloud-spanner/pom.xml

@@ -303,7 +303,7 @@
     <dependency>
       <groupId>org.openjdk.jmh</groupId>
       <artifactId>jmh-core</artifactId>
-      <version>1.31</version>
+      <version>1.32</version>
       <scope>test</scope>
     </dependency>
     <dependency>