Bump vsce from 1.75.0 to 1.77.0 (#2770)

Bumps [vsce](https://github.com/Microsoft/vsce) from 1.75.0 to 1.77.0.
- [Release notes](https://github.com/Microsoft/vsce/releases)
- [Commits](microsoft/vscode-vsce@v1.75.0...v1.77.0)

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Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

Author: dependabot-preview[bot]

package-lock.json

@@ -66,7 +66,7 @@
     "sinon": "~9.0.2",
     "tslint": "~6.1.2",
     "typescript": "~3.9.3",
-    "vsce": "~1.75.0",
+    "vsce": "~1.77.0",
     "vscode-test": "~1.4.0"
   },
   "extensionDependencies": [