fix: package.json & package-lock.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-AJV-584908
- https://snyk.io/vuln/SNYK-JS-ANSIREGEX-1583908
- https://snyk.io/vuln/SNYK-JS-DECODEURICOMPONENT-3149970
- https://snyk.io/vuln/SNYK-JS-FOLLOWREDIRECTS-2332181
- https://snyk.io/vuln/SNYK-JS-FOLLOWREDIRECTS-2396346
- https://snyk.io/vuln/SNYK-JS-FSTREAM-174725
- https://snyk.io/vuln/SNYK-JS-INFLIGHT-6095116
- https://snyk.io/vuln/SNYK-JS-INI-1048974
- https://snyk.io/vuln/SNYK-JS-JSONSCHEMA-1920922
- https://snyk.io/vuln/SNYK-JS-KINDOF-537849
- https://snyk.io/vuln/SNYK-JS-MINIMATCH-3050818
- https://snyk.io/vuln/SNYK-JS-MINIMIST-2429795
- https://snyk.io/vuln/SNYK-JS-MINIMIST-559764
- https://snyk.io/vuln/SNYK-JS-MIXINDEEP-450212
- https://snyk.io/vuln/SNYK-JS-QS-3153490
- https://snyk.io/vuln/SNYK-JS-SEMVER-3247795
- https://snyk.io/vuln/SNYK-JS-SETVALUE-1540541
- https://snyk.io/vuln/SNYK-JS-SETVALUE-450213
- https://snyk.io/vuln/SNYK-JS-TAR-1536528
- https://snyk.io/vuln/SNYK-JS-TAR-1536531
- https://snyk.io/vuln/SNYK-JS-TAR-1536758
- https://snyk.io/vuln/SNYK-JS-TAR-1579147
- https://snyk.io/vuln/SNYK-JS-TAR-1579152
- https://snyk.io/vuln/SNYK-JS-TAR-1579155
- https://snyk.io/vuln/SNYK-JS-TAR-174125
- https://snyk.io/vuln/npm:debug:20170905

package.json

@@ -17,14 +17,14 @@
   "private": false,
   "dependencies": {
     "asar": "^1.0.0",
-    "axios": "^0.18.0",
-    "chokidar": "^2.1.2",
+    "axios": "^0.21.1",
+    "chokidar": "^3.0.0",
     "csp-parse": "github:macropodhq/csp-parse",
     "deepmerge": "^3.2.0",
     "fs-extra": "^7.0.1",
     "keytar": "4.4.1",
     "nedb": "^1.8.0",
-    "node-sass": "^4.11.0",
+    "node-sass": "^7.0.2",
     "original-fs": "^1.0.0",
     "semver": "^5.6.0",
     "tar-fs": "^2.0.0"