chore: release 1.3.1 (#93)

🤖 I have created a release \*beep\* \*boop\*
---
### [1.3.1](https://www.github.com/googleapis/nodejs-workflows/compare/v1.3.0...v1.3.1) (2021-09-09)


### Bug Fixes

* **build:** migrate to using main branch ([#92](https://www.github.com/googleapis/nodejs-workflows/issues/92)) ([1f6e084](https://www.github.com/googleapis/nodejs-workflows/commit/1f6e084c99b648f9e02a5067ef6e7be4c04c1392))
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This PR was generated with [Release Please](https://github.com/googleapis/release-please). See [documentation](https://github.com/googleapis/release-please#release-please).

workflows/package.json

@@ -13,7 +13,7 @@
     "test": "c8 mocha --timeout 600000 test/*.js"
   },
   "dependencies": {
-    "@google-cloud/workflows": "^1.3.0"
+    "@google-cloud/workflows": "^1.3.1"
   },
   "devDependencies": {
     "c8": "^7.3.0",