Bump junit:junit from 4.12 to 4.13.2 (#26)

Author: dependabot[bot]

settings.gradle

@@ -23,7 +23,7 @@ dependencyResolutionManagement {
             library("jspecify-conformanceTests", libraryVersion('org.jspecify.conformance:conformance-tests'))
 
             library("jsr305", "com.google.code.findbugs:jsr305:3.0.2")
-            library("junit", "junit:junit:4.12")
+            library("junit", "junit:junit:4.13.2")
             library("truth", "com.google.truth:truth:1.1.3")
         }
     }