Bump ng-packagr from 9.1.5 to 10.1.1 in /httpeek (#29)

Bumps [ng-packagr](https://github.com/ng-packagr/ng-packagr) from 9.1.5 to 10.1.1.
- [Release notes](https://github.com/ng-packagr/ng-packagr/releases)
- [Changelog](https://github.com/ng-packagr/ng-packagr/blob/master/CHANGELOG.md)
- [Commits](https://github.com/ng-packagr/ng-packagr/compare/v9.1.5...v10.1.1)

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

httpeek/package.json

@@ -43,7 +43,7 @@
         "karma-coverage-istanbul-reporter": "~3.0.3",
         "karma-jasmine": "~3.3.1",
         "karma-jasmine-html-reporter": "^1.4.0",
-        "ng-packagr": "^9.0.0",
+        "ng-packagr": "^10.1.1",
         "protractor": "~7.0.0",
         "ts-node": "~8.10.2",
         "tslint": "~6.1.2",