fix(deps): update dependency com.uber.nullaway:nullaway to v0.12.8 (#14385)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

dependencyManagement/build.gradle.kts

@@ -89,7 +89,7 @@ val DEPENDENCIES = listOf(
   "com.github.stefanbirkner:system-lambda:1.2.1",
   "com.github.stefanbirkner:system-rules:1.19.0",
   "uk.org.webcompere:system-stubs-jupiter:2.0.3",
-  "com.uber.nullaway:nullaway:0.12.7",
+  "com.uber.nullaway:nullaway:0.12.8",
   "commons-beanutils:commons-beanutils:1.11.0",
   "commons-cli:commons-cli:1.10.0",
   "commons-codec:commons-codec:1.19.0",