fix(deps): update dependency prismjs to ^1.28.0

Author: renovate-bot

package.json

@@ -29,7 +29,7 @@
     "gatsby-plugin-sitemap": "^5.12.1",
     "gatsby-remark-images": "^6.12.1",
     "gatsby-source-filesystem": "^4.12.1",
-    "prismjs": "^1.27.0",
+    "prismjs": "^1.28.0",
     "react": "^17.0.2",
     "react-dom": "^17.0.2",
     "react-helmet-async": "^1.3.0",

yarn.lock

@@ -9913,10 +9913,10 @@ pretty-error@^2.1.2:
     lodash "^4.17.20"
     renderkid "^2.0.4"
 
-prismjs@^1.27.0:
-  version "1.27.0"
-  resolved "https://registry.yarnpkg.com/prismjs/-/prismjs-1.27.0.tgz#bb6ee3138a0b438a3653dd4d6ce0cc6510a45057"
-  integrity sha512-t13BGPUlFDR7wRB5kQDG4jjl7XeuH6jbJGt11JHPL96qwsEHNX2+68tFXqc1/k+/jALsbSWJKUOT/hcYAZ5LkA==
+prismjs@^1.28.0:
+  version "1.28.0"
+  resolved "https://registry.yarnpkg.com/prismjs/-/prismjs-1.28.0.tgz#0d8f561fa0f7cf6ebca901747828b149147044b6"
+  integrity sha512-8aaXdYvl1F7iC7Xm1spqSaY/OJBpYW3v+KJ+F17iYxvdc8sfjW194COK5wVhMZX45tGteiBQgdvD/nhxcRwylw==
 
 probe-image-size@^7.2.3:
   version "7.2.3"