Bump @google-cloud/bigquery in /infra/dataform-trigger (#82)

Bumps [@google-cloud/bigquery](https://github.com/googleapis/nodejs-bigquery) from 7.9.1 to 7.9.4.
- [Release notes](https://github.com/googleapis/nodejs-bigquery/releases)
- [Changelog](https://github.com/googleapis/nodejs-bigquery/blob/main/CHANGELOG.md)
- [Commits](googleapis/nodejs-bigquery@v7.9.1...v7.9.4)

---
updated-dependencies:
- dependency-name: "@google-cloud/bigquery"
  dependency-version: 7.9.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Author: dependabot[bot]

infra/dataform-trigger/package-lock.json

@@ -4,7 +4,7 @@
   "author": "@max-ostapenko",
   "main": "index.js",
   "dependencies": {
-    "@google-cloud/bigquery": "7.9.1",
+    "@google-cloud/bigquery": "7.9.4",
     "@google-cloud/dataform": "1.3.0",
     "@google-cloud/functions-framework": "3.4.2"
   },