Upgrade lodash to 4.17.20 and make consistent across all packages.

Author: ShukantPal

packages/webdoc-legacy-template/package.json

@@ -49,7 +49,7 @@
     "escape-string-regexp": "^3.0.0",
     "fs-extra": "^9.0.1",
     "klaw-sync": "6.0.0",
-    "lodash": "^4.17.15",
+    "lodash": "^4.17.20",
     "markdown-it": "^11.0.0",
     "markdown-it-highlightjs": "^3.1.0",
     "marked": "^0.8.2",

packages/webdoc-parser/package.json

@@ -41,7 +41,7 @@
     "@babel/types": "7.9.5",
     "@webdoc/model": "^1.1.5",
     "@webdoc/types": "^1.1.5",
-    "lodash": "^4.17.15",
+    "lodash": "^4.17.20",
     "missionlog": "1.6.0",
     "nanoid": "~3.1.16"
   },

packages/webdoc-template-library/package.json

@@ -45,7 +45,7 @@
     "catharsis": "0.8.11",
     "fs-extra": "^9.0.1",
     "git-branch": "2.0.1",
-    "lodash": "^4.17.15",
+    "lodash": "^4.17.20",
     "missionlog": "1.6.0",
     "nanoid": "~3.1.16",
     "parse-github-url": "1.0.2"