Add support for workflow dispatch event (#1625)

* Add support for workflow dispatch event

Fixes: #1624

github/Workflow.py

@@ -106,6 +106,33 @@ class Workflow(github.GithubObject.CompletableGithubObject):
         self._completeIfNotSet(self._badge_url)
         return self._badge_url.value
 
+    def create_dispatch(self, ref, inputs=github.GithubObject.NotSet):
+        """
+        :calls: `POST /repos/:owner/:repo/actions/workflows/:workflow_id/dispatches`_
+        :param ref: :class:`github.Branch.Branch` or :class:`github.Tag.Tag` or :class:`github.Commit.Commit` or string
+        :param inputs: dict
+        :rtype: bool
+        """
+        assert (
+            isinstance(ref, github.Branch.Branch)
+            or isinstance(ref, github.Tag.Tag)
+            or isinstance(ref, github.Commit.Commit)
+            or isinstance(ref, str)
+        ), ref
+        assert inputs is github.GithubObject.NotSet or isinstance(inputs, dict), inputs
+        if isinstance(ref, github.Branch.Branch):
+            ref = ref.name
+        elif isinstance(ref, github.Commit.Commit):
+            ref = ref.sha
+        elif isinstance(ref, github.Tag.Tag):
+            ref = ref.name
+        if inputs is github.GithubObject.NotSet:
+            inputs = {}
+        status, _, _ = self._requester.requestJson(
+            "POST", self.url + "/dispatches", input={"ref": ref, "inputs": inputs}
+        )
+        return status == 204
+
     def get_runs(
         self,
         actor=github.GithubObject.NotSet,

github/Workflow.pyi

@@ -2,21 +2,28 @@ from datetime import datetime
 from typing import Any, Dict, Union
 
 from github.Branch import Branch
+from github.Commit import Commit
 from github.GithubObject import CompletableGithubObject, _NotSetType
 from github.NamedUser import NamedUser
 from github.PaginatedList import PaginatedList
+from github.Tag import Tag
 from github.WorkflowRun import WorkflowRun
 
 class Workflow(CompletableGithubObject):
     def __repr__(self) -> str: ...
     def _initAttributes(self) -> None: ...
     def _useAttributes(self, attributes: Dict[str, Any]) -> None: ...
+    def create_dispatch(
+        self,
+        ref: Union[str, Branch, Commit, Tag],
+        inputs: Union[Dict[str, Union[str, int, float]], _NotSetType],
+    ) -> bool: ...
     def get_runs(
         self,
         actor: Union[str, NamedUser, _NotSetType],
         branch: Union[str, Branch, _NotSetType],
         event: Union[str, _NotSetType],
-        status: Union[str, _NotSetType]
+        status: Union[str, _NotSetType],
     ) -> PaginatedList[WorkflowRun]: ...
     @property
     def id(self) -> int: ...