runtime(java): Make changes for JDK 24 in syntax script

- "Demote" SecurityManager from the list of java.lang class
  types to javaLangDeprecated.
- Reintroduce supported syntax-preview-feature numbers 455
  and 476 as _new numbers_ 488 and 494, respectively.

References:
- https://openjdk.org/jeps/486 (Permanently Disable the Security Manager)
- https://openjdk.org/jeps/488 (Primitive Types in Patterns etc.)
- https://openjdk.org/jeps/494 (Module Import Declarations)

closes: #16977

Signed-off-by: Aliaksei Budavei <0x000c70@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>

runtime/syntax/testdir/input/java_previews_455.java

@@ -1,4 +1,4 @@
-// VIM_TEST_SETUP let g:java_syntax_previews = [455]
+// VIM_TEST_SETUP let g:java_syntax_previews = [455, 488]
 
 
 

runtime/syntax/testdir/input/setup/java_module_info.vim

@@ -29,4 +29,4 @@ autocmd_add([{
     once:	true,
 }])
 
-g:java_syntax_previews = [476]
+g:java_syntax_previews = [476, 494]