fix: spider3/package.json, spider3/package-lock.json & spider3/.snyk to reduce vulnerabilities

The following vulnerabilities are fixed with a Snyk patch:
- https://snyk.io/vuln/SNYK-JS-LODASH-450202

Author: snyk-bot

spider3/.snyk

@@ -6,3 +6,11 @@ patch:
   SNYK-JS-LODASH-450202:
     - cheerio > lodash:
         patched: '2020-02-06T15:18:55.571Z'
+    - snyk > @snyk/dep-graph > lodash:
+        patched: '2020-02-06T15:20:06.610Z'
+    - snyk > @snyk/snyk-cocoapods-plugin > @snyk/dep-graph > lodash:
+        patched: '2020-02-06T15:20:06.610Z'
+    - snyk > snyk-nuget-plugin > dotnet-deps-parser > lodash:
+        patched: '2020-02-06T15:20:06.610Z'
+    - snyk > @snyk/snyk-cocoapods-plugin > @snyk/cocoapods-lockfile-parser > @snyk/dep-graph > lodash:
+        patched: '2020-02-06T15:20:06.610Z'