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

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-ANSIREGEX-1583908
- https://snyk.io/vuln/SNYK-JS-MINIMATCH-3050818
- https://snyk.io/vuln/SNYK-JS-MINIMIST-2429795
- https://snyk.io/vuln/SNYK-JS-SEMVER-3247795

package.json

@@ -124,7 +124,7 @@
     "snyk": "^1.849.0",
     "ts-loader": "^9.2.6",
     "typescript": "^4.5.5",
-    "vsce": "^2.6.7",
+    "vsce": "^2.15.0",
     "vscode-test": "^1.6.1",
     "webpack": "^5.68.0",
     "webpack-cli": "^4.9.2"