build(pom): bump junit version to 5.7.0

Author: PhantomThief

pom.xml

@@ -13,7 +13,7 @@
         <guava.version>28.1-jre</guava.version>
         <more-lambdas.version>0.1.36</more-lambdas.version>
 
-        <junit.version>5.6.2</junit.version>
+        <junit.version>5.7.0</junit.version>
         <logback-classic.version>1.1.8</logback-classic.version>
 
         <jsr305.version>3.0.2</jsr305.version>