deps: update dependency com.google.errorprone:error_prone_annotations to v2.18.0 (#961)

Author: renovate-bot

third-party-dependencies/pom.xml

@@ -62,7 +62,7 @@
     <animal-sniffer.version>1.22</animal-sniffer.version>
     <opencensus.version>0.31.1</opencensus.version>
     <findbugs.version>3.0.2</findbugs.version>
-    <errorprone.version>2.17.0</errorprone.version>
+    <errorprone.version>2.18.0</errorprone.version>
     <jackson.version>2.14.1</jackson.version>
     <codec.version>1.15</codec.version>
     <httpcomponents.httpcore.version>4.4.16</httpcomponents.httpcore.version>