deps: update dependency org.checkerframework:checker-qual to v3.21.2 (#…

…1039)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [org.checkerframework:checker-qual](https://checkerframework.org) ([source](https://togithub.com/typetools/checker-framework)) | `3.21.1` -> `3.21.2` | [![age](https://badges.renovateapi.com/packages/maven/org.checkerframework:checker-qual/3.21.2/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/org.checkerframework:checker-qual/3.21.2/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/org.checkerframework:checker-qual/3.21.2/compatibility-slim/3.21.1)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/org.checkerframework:checker-qual/3.21.2/confidence-slim/3.21.1)](https://docs.renovatebot.com/merge-confidence/) |

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pom.xml

@@ -69,7 +69,7 @@
         <!-- Explicit override, remove when no longer needed.-->
         <groupId>org.checkerframework</groupId>
         <artifactId>checker-qual</artifactId>
-        <version>3.21.1</version>
+        <version>3.21.2</version>
       </dependency>
       <dependency>
         <groupId>com.google.truth</groupId>