Bump com.google.errorprone:error_prone_core from 2.27.1 to 2.29.1

Bumps [com.google.errorprone:error_prone_core](https://github.com/google/error-prone) from 2.27.1 to 2.29.1.
- [Release notes](https://github.com/google/error-prone/releases)
- [Commits](google/error-prone@v2.27.1...v2.29.1)

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

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

build.gradle

@@ -68,7 +68,7 @@ allprojects {
         apply plugin: "net.ltgt.errorprone"
 
         dependencies {
-            errorprone("com.google.errorprone:error_prone_core:2.27.1")
+            errorprone("com.google.errorprone:error_prone_core:2.29.1")
         }
 
         tasks.withType(JavaCompile).configureEach {