Pin dependency gatsby-source-airtable to 2.0.8

Author: renovate-bot

package.json

@@ -14,7 +14,7 @@
   },
   "dependencies": {
     "gatsby": "2.9.11",
-    "gatsby-source-airtable": "^2.0.8",
+    "gatsby-source-airtable": "2.0.8",
     "gatsby-source-filesystem": "2.0.43",
     "react": "16.8.6",
     "react-dom": "16.8.6"

yarn.lock

@@ -4207,7 +4207,7 @@ gatsby-react-router-scroll@^2.0.7:
     scroll-behavior "^0.9.9"
     warning "^3.0.0"
 
-gatsby-source-airtable@^2.0.8:
+gatsby-source-airtable@2.0.8:
   version "2.0.8"
   resolved "https://registry.yarnpkg.com/gatsby-source-airtable/-/gatsby-source-airtable-2.0.8.tgz#3fe5b05f4d8284a587c62ab5f235f7a04adde89c"
   integrity sha512-GE+4frqesapqAmoAH69IZshV9JslfHdfHipj+eYrZaLFedS9MZwjMiJnM9uofeXqsP/e+zamR8J91/6rM6LSEA==