build(deps-dev): bump monaco-editor from 0.19.3 to 0.20.0

Bumps [monaco-editor](https://github.com/Microsoft/monaco-editor) from 0.19.3 to 0.20.0.
- [Release notes](https://github.com/Microsoft/monaco-editor/releases)
- [Changelog](https://github.com/microsoft/monaco-editor/blob/master/CHANGELOG.md)
- [Commits](microsoft/monaco-editor@v0.19.3...v0.20.0)

Signed-off-by: dependabot-preview[bot] <[email protected]>

Author: dependabot-preview[bot]

packages/cockpit/ui/package.json

@@ -73,7 +73,7 @@
     "fs-extra": "8.1.0",
     "history": "4.10.1",
     "jquery": "3.4.1",
-    "monaco-editor": "0.19.3",
+    "monaco-editor": "0.20.0",
     "npm-run-all": "4.1.5",
     "perfect-scrollbar": "1.4.0",
     "popper.js": "1.15.0",

yarn.lock

@@ -15193,10 +15193,10 @@ moment@^2.18.1:
   resolved "https://registry.yarnpkg.com/moment/-/moment-2.24.0.tgz#0d055d53f5052aa653c9f6eb68bb5d12bf5c2b5b"
   integrity sha512-bV7f+6l2QigeBBZSM/6yTNq4P2fNpSWj/0e7jQcy87A8e7o2nAfP/34/2ky5Vw4B9S446EtIhodAzkFCcR4dQg==
 
-monaco-editor@0.19.3:
-  version "0.19.3"
-  resolved "https://registry.yarnpkg.com/monaco-editor/-/monaco-editor-0.19.3.tgz#1c994b3186c00650dbcd034d5370d46bf56c0663"
-  integrity sha512-2n1vJBVQF2Hhi7+r1mMeYsmlf18hjVb6E0v5SoMZyb4aeOmYPKun+CE3gYpiNA1KEvtSdaDHFBqH9d7Wd9vREg==
+monaco-editor@0.20.0:
+  version "0.20.0"
+  resolved "https://registry.yarnpkg.com/monaco-editor/-/monaco-editor-0.20.0.tgz#5d5009343a550124426cb4d965a4d27a348b4dea"
+  integrity sha512-hkvf4EtPJRMQlPC3UbMoRs0vTAFAYdzFQ+gpMb8A+9znae1c43q8Mab9iVsgTcg/4PNiLGGn3SlDIa8uvK1FIQ==
 
 move-concurrently@^1.0.1:
   version "1.0.1"