Bump annotations from 20.0.0 to 20.1.0 in /examples

Bumps [annotations](https://github.com/JetBrains/java-annotations) from 20.0.0 to 20.1.0.
- [Release notes](https://github.com/JetBrains/java-annotations/releases)
- [Changelog](https://github.com/JetBrains/java-annotations/blob/master/CHANGELOG.md)
- [Commits](JetBrains/java-annotations@20.0.0...20.1.0)

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

examples/mongodb-container/build.gradle

@@ -9,5 +9,5 @@ repositories {
 dependencies {
     testImplementation 'org.testcontainers:testcontainers'
     testImplementation 'junit:junit:4.13'
-    testCompileClasspath 'org.jetbrains:annotations:20.0.0'
+    testCompileClasspath 'org.jetbrains:annotations:20.1.0'
 }