merge revision(s) f27ed98: [Backport #21183]

	[ruby/prism] Freeze `Prism::VERSION`

	Closes ruby/prism#3422

	ruby/prism@b488a84253

Author: k0kubun

prism/extension.c

@@ -1251,7 +1251,7 @@ Init_prism(void) {
     /**
      * The version of the prism library.
      */
-    rb_define_const(rb_cPrism, "VERSION", rb_str_new2(EXPECTED_PRISM_VERSION));
+    rb_define_const(rb_cPrism, "VERSION", rb_str_freeze(rb_str_new_cstr(EXPECTED_PRISM_VERSION)));
 
     // First, the functions that have to do with lexing and parsing.
     rb_define_singleton_method(rb_cPrism, "lex", lex, -1);

version.h

@@ -11,7 +11,7 @@
 # define RUBY_VERSION_MINOR RUBY_API_VERSION_MINOR
 #define RUBY_VERSION_TEENY 2
 #define RUBY_RELEASE_DATE RUBY_RELEASE_YEAR_STR"-"RUBY_RELEASE_MONTH_STR"-"RUBY_RELEASE_DAY_STR
-#define RUBY_PATCHLEVEL 29
+#define RUBY_PATCHLEVEL 30
 
 #include "ruby/version.h"
 #include "ruby/internal/abi.h"