⬆️(deps): Update dependency com.google.errorprone:error_prone_core to…

… v2.20.0 (#749)

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

buildSrc/src/main/groovy/xyz.keksdose.spoon.code_solver.java-common-conventions.gradle

@@ -17,7 +17,7 @@ dependencies {
 	implementation 'com.google.flogger:flogger:0.7.4'
 	implementation 'com.google.flogger:flogger-system-backend:0.7.4'
 	implementation group: 'ch.qos.logback', name: 'logback-core', version: '1.4.8'
-	errorprone("com.google.errorprone:error_prone_core:2.19.1")
+	errorprone("com.google.errorprone:error_prone_core:2.20.0")
 	testImplementation group: 'org.assertj', name: 'assertj-core', version: '3.24.2'
 	annotationProcessor "com.uber.nullaway:nullaway:+"
 	testImplementation "org.instancio:instancio-junit:2.16.1"