chore: release 1.2.4 (#79)

🤖 I have created a release \*beep\* \*boop\*
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### [1.2.4](https://www.github.com/googleapis/nodejs-workflows/compare/v1.2.3...v1.2.4) (2021-07-12)


### Bug Fixes

* **deps:** google-gax v2.17.1 ([#78](https://www.github.com/googleapis/nodejs-workflows/issues/78)) ([5e2c265](https://www.github.com/googleapis/nodejs-workflows/commit/5e2c2659d25c2927db2e93091ccd426909a079e5))
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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": "^1.2.3"
+    "@google-cloud/workflows": "^1.2.4"
   },
   "devDependencies": {
     "c8": "^7.3.0",