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

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-SEMVER-3247795
- https://snyk.io/vuln/npm:debug:20170905

package.json

@@ -66,10 +66,10 @@
     "@vscode/sqlite3": "5.0.8",
     "@vscode/sudo-prompt": "9.3.1",
     "@vscode/vscode-languagedetection": "1.0.21",
-    "applicationinsights": "1.4.2",
+    "applicationinsights": "3.0.0",
     "graceful-fs": "4.2.8",
     "http-proxy-agent": "^2.1.0",
-    "https-proxy-agent": "^2.2.3",
+    "https-proxy-agent": "^4.0.0",
     "jschardet": "3.0.0",
     "keytar": "7.9.0",
     "minimist": "^1.2.6",