chore: upgrade lodash to 4.17.15

Signed-off-by: BoHong Li <raccoon@hackmd.io>

Author: a60814billy

package.json

@@ -77,7 +77,7 @@
     "jsdom-nogyp": "~0.8.3",
     "keymaster": "~1.6.2",
     "list.js": "~1.5.0",
-    "lodash": "~4.17.11",
+    "lodash": "~4.17.15",
     "lutim": "~1.0.2",
     "markdown-it": "~8.2.2",
     "markdown-it-abbr": "~1.0.4",

yarn.lock

@@ -7829,12 +7829,12 @@ lodash.uniq@^4.5.0:
   resolved "https://registry.yarnpkg.com/lodash.uniq/-/lodash.uniq-4.5.0.tgz#d0225373aeb652adc1bc82e4945339a842754773"
   integrity sha1-0CJTc662Uq3BvILklFM5qEJ1R3M=
 
-lodash@^4.14.2, lodash@^4.17.11, lodash@^4.17.4, lodash@^4.17.5, lodash@~4.17.11:
+lodash@^4.14.2, lodash@^4.17.11, lodash@^4.17.4, lodash@^4.17.5:
   version "4.17.11"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.11.tgz#b39ea6229ef607ecd89e2c8df12536891cac9b8d"
   integrity sha512-cQKh8igo5QUhZ7lg38DYWAxMvjSAKG0A8wGSVimP07SIUEK2UO+arSRKbRZWtelMtN5V0Hkwh5ryOto/SshYIg==
 
-lodash@^4.17.10, lodash@^4.17.12, lodash@^4.17.13, lodash@^4.17.14:
+lodash@^4.17.10, lodash@^4.17.12, lodash@^4.17.13, lodash@^4.17.14, lodash@~4.17.15:
   version "4.17.15"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.15.tgz#b447f6670a0455bbfeedd11392eff330ea097548"
   integrity sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A==