Bump versions.errorprone from 2.5.1 to 2.6.0 (#2250)

Bumps `versions.errorprone` from 2.5.1 to 2.6.0.

Updates `error_prone_core` from 2.5.1 to 2.6.0
- [Release notes](https://github.com/google/error-prone/releases)
- [Commits](google/error-prone@v2.5.1...v2.6.0)

Updates `error_prone_test_helpers` from 2.5.1 to 2.6.0
- [Release notes](https://github.com/google/error-prone/releases)
- [Commits](google/error-prone@v2.5.1...v2.6.0)

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Tim van der Lippe <tvanderlippe@google.com>

gradle/dependencies.gradle

@@ -6,7 +6,7 @@ def versions = [:]
 
 versions.bytebuddy = '1.10.20'
 versions.junitJupiter = '5.7.1'
-versions.errorprone = '2.5.1'
+versions.errorprone = '2.6.0'
 
 libraries.junit4 = 'junit:junit:4.13.2'
 libraries.junitJupiterApi = "org.junit.jupiter:junit-jupiter-api:${versions.junitJupiter}"

src/test/java/org/mockito/internal/configuration/plugins/PluginFinderTest.java

@@ -117,16 +117,22 @@ public void multiple_empty_implementations() throws Exception {
 
     @Test
     public void problems_loading_impl() throws Exception {
+        String fileName = "xxx";
+        File f = tmp.newFile(fileName);
+
+        // when
+        IOUtil.writeText("Bar", f);
+
         when(switcher.isEnabled(anyString())).thenThrow(new RuntimeException("Boo!"));
 
         try {
             // when
-            finder.findPluginClass(asList(new File("xxx").toURI().toURL()));
+            finder.findPluginClass(asList(f.toURI().toURL()));
             // then
             fail();
         } catch (Exception e) {
-            assertThat(e).hasMessageContaining("xxx");
-            e.getCause().getMessage().equals("Boo!");
+            assertThat(e).hasMessageContaining(fileName);
+            assertThat(e.getCause()).hasMessage("Boo!");
         }
     }
 }

subprojects/errorprone/src/main/java/org/mockito/errorprone/bugpatterns/MockitoInternalUsage.java

@@ -8,7 +8,6 @@
 
 import com.google.auto.service.AutoService;
 import com.google.errorprone.BugPattern;
-import com.google.errorprone.BugPattern.ProvidesFix;
 import com.google.errorprone.BugPattern.SeverityLevel;
 import com.google.errorprone.VisitorState;
 import com.google.errorprone.bugpatterns.BugChecker;
@@ -38,8 +37,7 @@
             + " https://www.javadoc.io/doc/org.mockito/mockito-core/. If you believe that there"
             + " is no replacement available in the public API for your use-case, contact the"
             + " Mockito team at https://github.com/mockito/mockito/issues.",
-    severity = SeverityLevel.WARNING,
-    providesFix = ProvidesFix.REQUIRES_HUMAN_ATTENTION)
+    severity = SeverityLevel.WARNING)
 public class MockitoInternalUsage extends BugChecker implements MemberSelectTreeMatcher {
 
   private static final Matcher<Tree> INSIDE_MOCKITO = packageStartsWith("org.mockito");