Bump junit-vintage-engine from 5.3.2 to 5.4.0

Bumps [junit-vintage-engine](https://github.com/junit-team/junit5) from 5.3.2 to 5.4.0.
- [Release notes](https://github.com/junit-team/junit5/releases)
- [Commits](junit-team/junit5@r5.3.2...r5.4.0)

Signed-off-by: dependabot[bot] <[email protected]>

build.gradle

@@ -164,7 +164,7 @@ dependencies {
     testImplementation 'org.junit.jupiter:junit-jupiter-api:5.3.2'
     testCompile 'org.junit.jupiter:junit-jupiter-params:5.3.2'
     testRuntimeOnly 'org.junit.jupiter:junit-jupiter-engine:5.3.2'
-    testRuntimeOnly 'org.junit.vintage:junit-vintage-engine:5.3.2'
+    testRuntimeOnly 'org.junit.vintage:junit-vintage-engine:5.4.0'
     testCompile 'org.junit.platform:junit-platform-launcher:1.3.2'
 
     testCompile 'org.junit-pioneer:junit-pioneer:0.3.0'