build(deps): bump com.google.errorprone:error_prone_core

Bumps [com.google.errorprone:error_prone_core](https://github.com/google/error-prone) from 2.21.0 to 2.21.1.
- [Release notes](https://github.com/google/error-prone/releases)
- [Commits](google/error-prone@v2.21.0...v2.21.1)

---
updated-dependencies:
- dependency-name: com.google.errorprone:error_prone_core
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

build.gradle.kts

@@ -23,7 +23,7 @@ repositories {
  mavenCentral()
 }
 
-val errorproneVersion = "2.21.0"
+val errorproneVersion = "2.21.1"
 val spotBugsVersion = "4.7.3"
 val slf4jVersion = "2.0.0"
 val androidGradlePluginVersion = "7.3.1"