refactor(gatsby): change bootstrap to use services (#24816)

* Add typings for action arrays and thunks

* Switch back to non-null assertion

* Add comment

* Refactor bootstrap into services

* Use separate gql runner for bootstrap

* Import reporter typings

* Switch to new bootstrap

* Fix imports

* Add create pages

* Add extract queries

* Fix typings

* Rebuild schema with sitepage

* Rename context vars

* Fix types

* Update packages/gatsby/src/services/source-nodes.ts

More descriptive name

Co-authored-by: Ward Peeters <ward@coding-tech.com>

* Changes from review

* Bikeshed the function name

* Better unhandled rejection handling

* Update packages/gatsby/src/services/initialize.ts

Co-authored-by: Peter van der Zee <209817+pvdz@users.noreply.github.com>

* Changes from review

* Format

Co-authored-by: Ward Peeters <ward@coding-tech.com>
Co-authored-by: Peter van der Zee <209817+pvdz@users.noreply.github.com>

yarn.lock

@@ -1884,7 +1884,12 @@
   dependencies:
     "@types/node" "*"
 
-"@types/node@*", "@types/node@^8.5.7":
+"@types/node@*":
+  version "14.0.13"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-14.0.13.tgz#ee1128e881b874c371374c1f72201893616417c9"
+  integrity sha512-rouEWBImiRaSJsVA+ITTFM6ZxibuAlTuNOCyxVbwreu6k6+ujs7DfnU9o+PShFhET78pMBl3eH+AGSI5eOTkPA==
+
+"@types/node@^8.5.7":
   version "8.10.61"
   resolved "https://registry.yarnpkg.com/@types/node/-/node-8.10.61.tgz#d299136ce54bcaf1abaa4a487f9e4bedf6b0d393"
   integrity sha512-l+zSbvT8TPRaCxL1l9cwHCb0tSqGAGcjPJFItGGYat5oCTiq1uQQKYg5m7AF1mgnEBzFXGLJ2LRmNjtreRX76Q==