build(deps): bump gatsby-plugin-robots-txt from 1.6.9 to 1.6.10 in /docs (golangci#2269)

Author: dependabot[bot]

docs/package-lock.json

@@ -23,7 +23,7 @@
     "gatsby-plugin-offline": "^4.13.0",
     "gatsby-plugin-react-helmet": "^3.10.0",
     "gatsby-plugin-react-svg": "^3.0.1",
-    "gatsby-plugin-robots-txt": "^1.6.9",
+    "gatsby-plugin-robots-txt": "^1.6.10",
     "gatsby-plugin-sharp": "^3.10.2",
     "gatsby-plugin-sitemap": "^4.9.0",
     "gatsby-remark-autolink-headers": "^2.11.0",