Merge remote-tracking branch 'origin/dependabot/gradle/core/org.jetbrains-annotations-21.0.1' into combined-pr-branch

Author: rnorth

core/build.gradle

@@ -101,8 +101,8 @@ dependencies {
 
     api 'junit:junit:4.12'
     api 'org.slf4j:slf4j-api:1.7.30'
-    compileOnly 'org.jetbrains:annotations:20.1.0'
-    testCompileClasspath 'org.jetbrains:annotations:20.0.0'
+    compileOnly 'org.jetbrains:annotations:21.0.1'
+    testCompileClasspath 'org.jetbrains:annotations:21.0.1'
     api 'org.apache.commons:commons-compress:1.20'
     api ('org.rnorth.duct-tape:duct-tape:1.0.8') {
         exclude(group: 'org.jetbrains', module: 'annotations')