deps: make V8 14.2 ABI-compatible with 14.1

- Revert inheritance from `Data` in `DictionaryTemplate`
  Refs: v8/v8@a6bb35d

Author: targos

deps/v8/include/v8-data.h

@@ -52,11 +52,6 @@ class V8_EXPORT Data {
    */
   bool IsFunctionTemplate() const;
 
-  /**
-   * Returns true if this data is a |v8::DictionaryTemplate|.
-   */
-  bool IsDictionaryTemplate() const;
-
   /**
    * Returns true if this data is a |v8::Context|.
    */

deps/v8/include/v8-template.h

@@ -1071,7 +1071,7 @@ class V8_EXPORT ObjectTemplate : public Template {
 /**
  * A template to create dictionary objects at runtime.
  */
-class V8_EXPORT DictionaryTemplate final : public Data {
+class V8_EXPORT DictionaryTemplate final {
  public:
   /** Creates a new template. Also declares data properties that can be passed
    * on instantiation of the template. Properties can only be declared on

deps/v8/src/api/api.cc

@@ -847,10 +847,6 @@ bool Data::IsFunctionTemplate() const {
   return i::IsFunctionTemplateInfo(*Utils::OpenDirectHandle(this));
 }
 
-bool Data::IsDictionaryTemplate() const {
-  return i::IsDictionaryTemplateInfo(*Utils::OpenDirectHandle(this));
-}
-
 bool Data::IsContext() const {
   return i::IsContext(*Utils::OpenDirectHandle(this));
 }