chore(deps): bump terser from 5.14.1 to 5.15.1 in /packages/nc-gui

Bumps [terser](https://github.com/terser/terser) from 5.14.1 to 5.15.1.
- [Release notes](https://github.com/terser/terser/releases)
- [Changelog](https://github.com/terser/terser/blob/master/CHANGELOG.md)
- [Commits](https://github.com/terser/terser/compare/v5.14.1...v5.15.1)

---
updated-dependencies:
- dependency-name: terser
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>

packages/nc-gui/package-lock.json

@@ -110,7 +110,7 @@
         "gh-pages": "^3.1.0",
         "npm-run-all": "^4.1.5",
         "nyc": "^15.1.0",
-        "open-cli": "^6.0.1",
+        "open-cli": "^7.1.0",
         "prettier": "^2.1.1",
         "standard-version": "^9.0.0",
         "ts-node": "^9.0.0",
@@ -15035,9 +15035,9 @@
       "dev": true
     },
     "node_modules/terser": {
-      "version": "5.14.1",
-      "resolved": "https://registry.npmjs.org/terser/-/terser-5.14.1.tgz",
-      "integrity": "sha512-+ahUAE+iheqBTDxXhTisdA8hgvbEG1hHOQ9xmNjeUJSoi6DU/gMrKNcfZjHkyY6Alnuyc+ikYJaxxfHkT3+WuQ==",
+      "version": "5.15.1",
+      "resolved": "https://registry.npmjs.org/terser/-/terser-5.15.1.tgz",
+      "integrity": "sha512-K1faMUvpm/FBxjBXud0LWVAGxmvoPbZbfTCYbSgaaYQaIXI3/TdI7a7ZGA73Zrou6Q8Zmz3oeUTsp/dj+ag2Xw==",
       "dev": true,
       "dependencies": {
         "@jridgewell/source-map": "^0.3.2",
@@ -25572,7 +25572,7 @@
         "jsep": "^1.3.6",
         "npm-run-all": "^4.1.5",
         "nyc": "^15.1.0",
-        "open-cli": "^6.0.1",
+        "open-cli": "^7.1.0",
         "prettier": "^2.1.1",
         "standard-version": "^9.0.0",
         "ts-node": "^9.0.0",
@@ -27977,9 +27977,9 @@
       }
     },
     "terser": {
-      "version": "5.14.1",
-      "resolved": "https://registry.npmjs.org/terser/-/terser-5.14.1.tgz",
-      "integrity": "sha512-+ahUAE+iheqBTDxXhTisdA8hgvbEG1hHOQ9xmNjeUJSoi6DU/gMrKNcfZjHkyY6Alnuyc+ikYJaxxfHkT3+WuQ==",
+      "version": "5.15.1",
+      "resolved": "https://registry.npmjs.org/terser/-/terser-5.15.1.tgz",
+      "integrity": "sha512-K1faMUvpm/FBxjBXud0LWVAGxmvoPbZbfTCYbSgaaYQaIXI3/TdI7a7ZGA73Zrou6Q8Zmz3oeUTsp/dj+ag2Xw==",
       "dev": true,
       "requires": {
         "@jridgewell/source-map": "^0.3.2",