Excavator: Upgrades suppressible-error-prone to the latest version (#1439)

Author: svc-excavator-bot

build.gradle

@@ -18,7 +18,7 @@ buildscript {
         classpath 'com.palantir.gradle.jdkslatest:gradle-jdks-latest:0.22.0'
         classpath 'com.palantir.gradle.plugintesting:gradle-plugin-testing:0.6.0'
         classpath 'com.palantir.javaformat:gradle-palantir-java-format:2.80.0'
-        classpath 'com.palantir.suppressible-error-prone:gradle-suppressible-error-prone:2.20.0'
+        classpath 'com.palantir.suppressible-error-prone:gradle-suppressible-error-prone:2.21.0'
         classpath 'me.champeau.jmh:jmh-gradle-plugin:0.7.3'
         classpath 'org.revapi:gradle-revapi:1.8.0'
     }

palantir-java-format/src/main/java/com/palantir/javaformat/java/StringWrapper.java

@@ -335,6 +335,7 @@ private String computePrefixIndentation(
             return " ".repeat(extraIndent + startParentColumn);
         }
 
+        @SuppressWarnings("for-rollout:NullAway")
         private void wrapLongStrings(TreeRangeMap<Integer, String> replacements, List<TreePath> longStringLiterals) {
             for (TreePath path : longStringLiterals) {
                 // Find the outermost contiguous enclosing concatenation expression

palantir-java-format/src/test/java/com/palantir/javaformat/java/FormatterTest.java

@@ -458,6 +458,7 @@ void canParse_java9_private_interface_methods() {
     @Test
     void producesFormattingChangesOnAlreadyFormattedFiles() throws FormatterException {
         Formatter formatter = Formatter.create();
+        @SuppressWarnings("for-rollout:StringConcatToTextBlock")
         String simpleClass = "package com.palantir;\n"
                 + "\n"
                 + "public final class Formatted {\n"