Bump babel-jest from 20.0.3 to 23.6.0

Bumps [babel-jest](https://github.com/facebook/jest/tree/HEAD/packages/babel-jest) from 20.0.3 to 23.6.0.
- [Release notes](https://github.com/facebook/jest/releases)
- [Changelog](https://github.com/facebook/jest/blob/master/CHANGELOG.md)
- [Commits](https://github.com/facebook/jest/commits/v23.6.0/packages/babel-jest)

Signed-off-by: dependabot[bot] <support@dependabot.com>

Author: dependabot-support

package.json

@@ -26,7 +26,7 @@
   "devDependencies": {
     "babel-cli": "^6.6.5",
     "babel-core": "^6.7.2",
-    "babel-jest": "^20.0.3",
+    "babel-jest": "^23.6.0",
     "babel-preset-env": "^1.0.0",
     "babel-preset-react": "^6.24.1",
     "babel-preset-stage-2": "^6.24.1",

yarn.lock

@@ -501,15 +501,6 @@ babel-helpers@^6.24.1:
     babel-runtime "^6.22.0"
     babel-template "^6.24.1"
 
-babel-jest@^20.0.3:
-  version "20.0.3"
-  resolved "https://registry.yarnpkg.com/babel-jest/-/babel-jest-20.0.3.tgz#e4a03b13dc10389e140fc645d09ffc4ced301671"
-  integrity sha1-5KA7E9wQOJ4UD8ZF0J/8TO0wFnE=
-  dependencies:
-    babel-core "^6.0.0"
-    babel-plugin-istanbul "^4.0.0"
-    babel-preset-jest "^20.0.3"
-
 babel-jest@^23.6.0:
   version "23.6.0"
   resolved "https://registry.yarnpkg.com/babel-jest/-/babel-jest-23.6.0.tgz#a644232366557a2240a0c083da6b25786185a2f1"
@@ -532,7 +523,7 @@ babel-plugin-check-es2015-constants@^6.22.0:
   dependencies:
     babel-runtime "^6.22.0"
 
-babel-plugin-istanbul@^4.0.0, babel-plugin-istanbul@^4.1.6:
+babel-plugin-istanbul@^4.1.6:
   version "4.1.6"
   resolved "https://registry.yarnpkg.com/babel-plugin-istanbul/-/babel-plugin-istanbul-4.1.6.tgz#36c59b2192efce81c5b378321b74175add1c9a45"
   integrity sha512-PWP9FQ1AhZhS01T/4qLSKoHGY/xvkZdVBGlKM/HuxxS3+sC66HhTNR7+MpbO/so/cz/wY94MeSWJuP1hXIPfwQ==
@@ -542,11 +533,6 @@ babel-plugin-istanbul@^4.0.0, babel-plugin-istanbul@^4.1.6:
     istanbul-lib-instrument "^1.10.1"
     test-exclude "^4.2.1"
 
-babel-plugin-jest-hoist@^20.0.3:
-  version "20.0.3"
-  resolved "https://registry.yarnpkg.com/babel-plugin-jest-hoist/-/babel-plugin-jest-hoist-20.0.3.tgz#afedc853bd3f8dc3548ea671fbe69d03cc2c1767"
-  integrity sha1-r+3IU70/jcNUjqZx++adA8wsF2c=
-
 babel-plugin-jest-hoist@^23.2.0:
   version "23.2.0"
   resolved "https://registry.yarnpkg.com/babel-plugin-jest-hoist/-/babel-plugin-jest-hoist-23.2.0.tgz#e61fae05a1ca8801aadee57a6d66b8cefaf44167"
@@ -955,13 +941,6 @@ babel-preset-flow@^6.23.0:
   dependencies:
     babel-plugin-transform-flow-strip-types "^6.22.0"
 
-babel-preset-jest@^20.0.3:
-  version "20.0.3"
-  resolved "https://registry.yarnpkg.com/babel-preset-jest/-/babel-preset-jest-20.0.3.tgz#cbacaadecb5d689ca1e1de1360ebfc66862c178a"
-  integrity sha1-y6yq3stdaJyh4d4TYOv8ZoYsF4o=
-  dependencies:
-    babel-plugin-jest-hoist "^20.0.3"
-
 babel-preset-jest@^23.2.0:
   version "23.2.0"
   resolved "https://registry.yarnpkg.com/babel-preset-jest/-/babel-preset-jest-23.2.0.tgz#8ec7a03a138f001a1a8fb1e8113652bf1a55da46"