Bump lodash from 4.17.15 to 4.17.19 in /docs

Bumps [lodash](https://github.com/lodash/lodash) from 4.17.15 to 4.17.19.
- [Release notes](https://github.com/lodash/lodash/releases)
- [Commits](https://github.com/lodash/lodash/compare/4.17.15...4.17.19)

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

docs/package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "just-the-docs",
-  "version": "0.2.6",
+  "version": "0.2.7",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -581,6 +581,29 @@
         "to-object-path": "^0.3.0",
         "union-value": "^1.0.0",
         "unset-value": "^1.0.0"
+      },
+      "dependencies": {
+        "extend-shallow": {
+          "version": "2.0.1",
+          "resolved": "https://registry.npmjs.org/extend-shallow/-/extend-shallow-2.0.1.tgz",
+          "integrity": "sha1-Ua99YUrZqfYQ6huvu5idaxxWiQ8=",
+          "dev": true,
+          "requires": {
+            "is-extendable": "^0.1.0"
+          }
+        },
+        "set-value": {
+          "version": "2.0.1",
+          "resolved": "https://registry.npmjs.org/set-value/-/set-value-2.0.1.tgz",
+          "integrity": "sha512-JxHc1weCN68wRY0fhCoXpyK55m/XPHafOmK4UWD7m2CI14GMcFypt4w/0+NV5f/ZMby2F6S2wwA7fgynh9gWSw==",
+          "dev": true,
+          "requires": {
+            "extend-shallow": "^2.0.1",
+            "is-extendable": "^0.1.1",
+            "is-plain-object": "^2.0.3",
+            "split-string": "^3.0.1"
+          }
+        }
       }
     },
     "call-me-maybe": {
@@ -2580,9 +2603,9 @@
       }
     },
     "lodash": {
-      "version": "4.17.15",
-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.15.tgz",
-      "integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A==",
+      "version": "4.17.19",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.19.tgz",
+      "integrity": "sha512-JNvd8XER9GQX0v2qJgsaN/mzFCNA5BRe/j8JN9d+tWyGLSodKQHKFicdwNYzWwI3wjRnaKPsGj1XkBjx/F96DQ==",
       "dev": true
     },
     "log-symbols": {
@@ -3652,29 +3675,6 @@
       "integrity": "sha1-BF+XgtARrppoA93TgrJDkrPYkPc=",
       "dev": true
     },
-    "set-value": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/set-value/-/set-value-2.0.0.tgz",
-      "integrity": "sha512-hw0yxk9GT/Hr5yJEYnHNKYXkIA8mVJgd9ditYZCe16ZczcaELYYcfvaXesNACk2O8O0nTiPQcQhGUQj8JLzeeg==",
-      "dev": true,
-      "requires": {
-        "extend-shallow": "^2.0.1",
-        "is-extendable": "^0.1.1",
-        "is-plain-object": "^2.0.3",
-        "split-string": "^3.0.1"
-      },
-      "dependencies": {
-        "extend-shallow": {
-          "version": "2.0.1",
-          "resolved": "https://registry.npmjs.org/extend-shallow/-/extend-shallow-2.0.1.tgz",
-          "integrity": "sha1-Ua99YUrZqfYQ6huvu5idaxxWiQ8=",
-          "dev": true,
-          "requires": {
-            "is-extendable": "^0.1.0"
-          }
-        }
-      }
-    },
     "shebang-command": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/shebang-command/-/shebang-command-1.2.0.tgz",