Merge pull request #11280 from dotty-staging/fix-java8-ci

Fix Java 8 CI

Author: smarter

scala3doc-testcases/src/tests/deprecated.scala

@@ -19,5 +19,5 @@ class B extends A:
   val y: Int = 1
 
 
-@java.lang.Deprecated(since = "1.1")
+@java.lang.Deprecated
 class JavaDeprecated