Correct **kwargs typing for search_* (#1636)

It turns out typing for **kwargs is always Dict[str, Type], so only the
type is required.

Fixes #1633

github/MainClass.pyi

@@ -102,40 +102,40 @@ class Github:
         sort: Union[str, _NotSetType] = ...,
         order: Union[str, _NotSetType] = ...,
         highlight: bool = ...,
-        **qualifiers: Dict[str, Any]
+        **qualifiers: Any
     ) -> PaginatedList[ContentFile]: ...
     def search_commits(
         self,
         query: str,
         sort: Union[str, _NotSetType] = ...,
         order: Union[str, _NotSetType] = ...,
-        **qualifiers: Dict[str, Any]
+        **qualifiers: Any
     ) -> PaginatedList[Commit]: ...
     def search_issues(
         self,
         query: str,
         sort: Union[str, _NotSetType] = ...,
         order: Union[str, _NotSetType] = ...,
-        **qualifiers: Dict[str, Any]
+        **qualifiers: Any
     ) -> PaginatedList[Issue]: ...
     def search_repositories(
         self,
         query: str,
         sort: Union[str, _NotSetType] = ...,
         order: Union[str, _NotSetType] = ...,
-        **qualifiers: Dict[str, Any]
+        **qualifiers: Any
     ) -> PaginatedList[Repository]: ...
     def search_topics(
         self,
         query: str,
-        **qualifiers: Dict[str, Any]
+        **qualifiers: Any
     ) -> PaginatedList[Topic]: ...
     def search_users(
         self,
         query: str,
         sort: Union[str, _NotSetType] = ...,
         order: Union[str, _NotSetType] = ...,
-        **qualifiers: Dict[str, Any]
+        **qualifiers: Any
     ) -> PaginatedList[NamedUser]: ...
 
 class GithubIntegration:

github/Requester.pyi

@@ -17,7 +17,7 @@ class HTTPRequestsConnectionClass:
         strict: bool = ...,
         timeout: Optional[int] = ...,
         retry: Any = ...,
-        **kwargs: Dict[str, str]
+        **kwargs: str
     ) -> None: ...
     def close(self) -> None: ...
     def getresponse(self) -> RequestsResponse: ...
@@ -33,7 +33,7 @@ class HTTPSRequestsConnectionClass:
         strict: bool = ...,
         timeout: Optional[int] = ...,
         retry: Any = ...,
-        **kwargs: Dict[str, str]
+        **kwargs: str
     ) -> None: ...
     def close(self) -> None: ...
     def getresponse(self) -> RequestsResponse: ...