Bump ngx-monaco-editor from 7.0.0 to 8.1.1 (#5998)

Bumps [ngx-monaco-editor](https://github.com/atularen/ngx-monaco-editor) from 7.0.0 to 8.1.1.
- [Release notes](https://github.com/atularen/ngx-monaco-editor/releases)
- [Commits](https://github.com/atularen/ngx-monaco-editor/compare/7.0.0...8.1.1)

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

package.json

@@ -96,7 +96,7 @@
     "moment": "2.22.2",
     "moment-es6": "^1.0.0",
     "ng2-charts": "2.3.3",
-    "ngx-monaco-editor": "7.0.0",
+    "ngx-monaco-editor": "8.1.1",
     "pdfjs-dist": "2.4.456",
     "raphael": "2.2.7",
     "rxjs": "^6.6.0",