Bump annotations from 20.1.0 to 21.0.1 in /modules/spock

Bumps [annotations](https://github.com/JetBrains/java-annotations) from 20.1.0 to 21.0.1.
- [Release notes](https://github.com/JetBrains/java-annotations/releases)
- [Changelog](https://github.com/JetBrains/java-annotations/blob/master/CHANGELOG.md)
- [Commits](JetBrains/java-annotations@20.1.0...21.0.1)

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

Author: dependabot[bot]

modules/spock/build.gradle

@@ -18,7 +18,7 @@ dependencies {
     testRuntime 'org.postgresql:postgresql:42.2.18'
     testRuntime 'mysql:mysql-connector-java:8.0.25'
 
-    testCompileClasspath 'org.jetbrains:annotations:20.1.0'
+    testCompileClasspath 'org.jetbrains:annotations:21.0.1'
 }
 
 sourceJar {