git: drop types/git and inline GitHub context type

Signed-off-by: CrazyMax <1951866+crazy-max@users.noreply.github.com>

src/types/git.ts

@@ -1,19 +0,0 @@
-/**
- * Copyright 2023 actions-toolkit authors
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-import {Context as GitHubContext} from '@actions/github/lib/context';
-
-export type Context = GitHubContext;