Make github_token not requirement (#259)

Author: tkuchiki

dist/index.js

@@ -2031,7 +2031,7 @@ const core = __importStar(__webpack_require__(393));
 function run() {
     return __awaiter(this, void 0, void 0, function* () {
         try {
-            const githubToken = core.getInput('github_token', { required: true });
+            const githubToken = core.getInput('github_token');
             const labels = core
                 .getInput('labels')
                 .split('\n')
@@ -25472,4 +25472,4 @@ function onceStrict (fn) {
 
 /***/ })
 
-/******/ });
+/******/ });

src/main.ts

@@ -3,7 +3,7 @@ import * as core from '@actions/core';
 
 async function run(): Promise<void> {
   try {
-    const githubToken = core.getInput('github_token', { required: true });
+    const githubToken = core.getInput('github_token');
 
     const labels = core
       .getInput('labels')