tools: update V8 gypfiles for 12.2

Refs: v8/v8@a0e8074
PR-URL: #51362
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com>

Author: targos

tools/v8_gypfiles/v8.gyp

@@ -917,6 +917,13 @@
       'sources': [
         '<!@pymod_do_main(GN-scraper "<(V8_ROOT)/BUILD.gn"  "v8_source_set.\\"v8_turboshaft.*?sources = ")',
       ],
+      'conditions': [
+        ['v8_enable_maglev==0', {
+          'sources': [
+            '<!@pymod_do_main(GN-scraper "<(V8_ROOT)/BUILD.gn"  "v8_source_set.\\"v8_turboshaft.*?!v8_enable_maglev.*?sources \\+= ")',
+          ],
+        }],
+      ],
     },  # v8_turboshaft
     {
       'target_name': 'v8_compiler_for_mksnapshot',