Bump lodash from 4.17.10 to 4.17.21

Bumps [lodash](https://github.com/lodash/lodash) from 4.17.10 to 4.17.21.
- [Release notes](https://github.com/lodash/lodash/releases)
- [Commits](lodash/lodash@4.17.10...4.17.21)

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

Author: dependabot[bot]

package.json

@@ -14,7 +14,7 @@
     "gatsby-source-wordpress": "3.3.34",
     "get-browser-language": "1.0.0",
     "intersection-observer": "0.5.0",
-    "lodash": "4.17.10",
+    "lodash": "4.17.21",
     "node-sass": "4.14.1",
     "raf": "3.4.0",
     "react": "16.12.0",

yarn.lock

@@ -8199,11 +8199,6 @@ lodash.without@^4.4.0:
   resolved "https://registry.yarnpkg.com/lodash.without/-/lodash.without-4.4.0.tgz#3cd4574a00b67bae373a94b748772640507b7aac"
   integrity sha512-M3MefBwfDhgKgINVuBJCO1YR3+gf6s9HNJsIiZ/Ru77Ws6uTb9eBuvrkpzO+9iLoAaRodGuq7tyrPCx+74QYGQ==
 
-lodash@4.17.10:
-  version "4.17.10"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.10.tgz#1b7793cf7259ea38fb3661d4d38b3260af8ae4e7"
-  integrity sha512-UejweD1pDoXu+AD825lWwp4ZGtSwgnpZxb3JDViD7StjQz+Nb/6l093lx4OQ0foGWNRoc19mWy7BzL+UAK2iVg==
-
 lodash@4.17.21, lodash@^4.0.0, lodash@^4.11.1, lodash@^4.13.1, lodash@^4.17.10, lodash@^4.17.11, lodash@^4.17.14, lodash@^4.17.15, lodash@^4.17.19, lodash@^4.17.20, lodash@^4.17.21, lodash@^4.17.4, lodash@^4.17.5, lodash@^4.3.0:
   version "4.17.21"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"