build(deps): bump gatsby-transformer-remark in /docs (golangci#1719)

Author: dependabot[bot]

docs/package-lock.json

@@ -35,7 +35,7 @@
     "gatsby-remark-mermaid": "^2.1.0",
     "gatsby-remark-responsive-iframe": "^2.11.0",
     "gatsby-source-filesystem": "^2.11.0",
-    "gatsby-transformer-remark": "^2.13.1",
+    "gatsby-transformer-remark": "^2.16.0",
     "gatsby-transformer-sharp": "^2.12.0",
     "gatsby-transformer-yaml": "^2.11.0",
     "polished": "^4.1.0",