chore: release 1.3.0 (#90)

🤖 I have created a release \*beep\* \*boop\*
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## [1.3.0](https://www.github.com/googleapis/nodejs-workflows/compare/v1.2.6...v1.3.0) (2021-08-23)


### Features

* turns on self-signed JWT feature flag ([#89](https://www.github.com/googleapis/nodejs-workflows/issues/89)) ([c17023b](https://www.github.com/googleapis/nodejs-workflows/commit/c17023b8091a2372ff12ee8dd622bf1db82bcefa))
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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": "^1.2.6"
+    "@google-cloud/workflows": "^1.3.0"
   },
   "devDependencies": {
     "c8": "^7.3.0",