fix: package.json & .snyk to reduce vulnerabilities

The following vulnerabilities are fixed with a Snyk patch:
- https://snyk.io/vuln/SNYK-JS-LODASH-567746

.snyk

@@ -1,5 +1,5 @@
 # Snyk (https://snyk.io) policy file, patches or ignores known vulnerabilities.
-version: v1.13.5
+version: v1.14.1
 ignore: {}
 # patches apply the minimum changes required to fix a vulnerability
 patch:
@@ -39,3 +39,12 @@ patch:
         patched: '2019-10-05T02:45:32.585Z'
     - snyk > proxy-agent > pac-proxy-agent > https-proxy-agent:
         patched: '2019-10-05T02:45:32.585Z'
+  SNYK-JS-LODASH-567746:
+    - request-promise > request-promise-core > lodash:
+        patched: '2020-05-01T02:46:18.827Z'
+    - pug > pug-code-gen > constantinople > babel-types > lodash:
+        patched: '2020-05-01T02:46:18.827Z'
+    - pug > pug-filters > constantinople > babel-types > lodash:
+        patched: '2020-05-01T02:46:18.827Z'
+    - pug > pug-code-gen > pug-attrs > constantinople > babel-types > lodash:
+        patched: '2020-05-01T02:46:18.827Z'