Fix tests

__tests__/ArtifactUploader.test.ts

@@ -34,7 +34,9 @@ describe('ArtifactUploader', () => {
     function createUploader(): GithubArtifactUploader {
         const MockReleases = jest.fn<Releases, any>(() => {
             return {
+                getByTag: jest.fn(),
                 create: jest.fn(),
+                update: jest.fn(),
                 uploadArtifact: uploadMock
             }
         })

src/Action.ts

@@ -2,7 +2,6 @@ import { Inputs } from "./Inputs";
 import { Releases } from "./Releases";
 import { ArtifactUploader } from "./ArtifactUploader";
 import { ErrorMessage } from "./ErrorMessage";
-import { Response, ReposCreateReleaseResponse } from "@octokit/rest";
 
 export class Action {
     private inputs: Inputs