chore(deps): bump lodash from 4.17.11 to 4.17.21

Bumps [lodash](https://github.com/lodash/lodash) from 4.17.11 to 4.17.21.
- [Release notes](https://github.com/lodash/lodash/releases)
- [Commits](lodash/lodash@4.17.11...4.17.21)

---
updated-dependencies:
- dependency-name: lodash
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

package.json

@@ -27,7 +27,7 @@
     "gatsby-transformer-sharp": "2.5.14",
     "husky": "1.3.1",
     "lint-staged": "8.1.0",
-    "lodash": "4.17.11",
+    "lodash": "4.17.21",
     "prismjs": "1.15.0",
     "react": "16.8.2",
     "react-dom": "16.8.2",

yarn.lock

@@ -9141,12 +9141,7 @@ lodash.uniq@^4.5.0:
   resolved "https://registry.npm.taobao.org/lodash.uniq/download/lodash.uniq-4.5.0.tgz#d0225373aeb652adc1bc82e4945339a842754773"
   integrity sha1-0CJTc662Uq3BvILklFM5qEJ1R3M=
 
-[email protected]:
-  version "4.17.11"
-  resolved "https://registry.npm.taobao.org/lodash/download/lodash-4.17.11.tgz?cache=0&sync_timestamp=1613835817439&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Flodash%2Fdownload%2Flodash-4.17.11.tgz#b39ea6229ef607ecd89e2c8df12536891cac9b8d"
-  integrity sha1-s56mIp72B+zYniyN8SU2iRysm40=
-
-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:
+[email protected], 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.npm.taobao.org/lodash/download/lodash-4.17.21.tgz?cache=0&sync_timestamp=1613835817439&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Flodash%2Fdownload%2Flodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
   integrity sha1-Z5WRxWTDv/quhFTPCz3zcMPWkRw=