[ui] Clean up dependabot alerts (#24008)

## Summary & Motivation

Clean up dependabot alerts.

I also removed `package-lock.json` from `docs-beta`, since it shouldn't
be there.

Resolves https://github.com/dagster-io/dagster/security/dependabot/590.
Resolves https://github.com/dagster-io/dagster/security/dependabot/589.
Resolves https://github.com/dagster-io/dagster/security/dependabot/588
(since the file is deleted).
Resolves https://github.com/dagster-io/dagster/security/dependabot/585.
Resolves https://github.com/dagster-io/dagster/security/dependabot/584.
Resolves https://github.com/dagster-io/dagster/security/dependabot/583
(since the file is deleted).
Resolves https://github.com/dagster-io/dagster/security/dependabot/582.

## How I Tested These Changes

`yarn why` to check that packages are updated.

## Changelog [New | Bug | Docs]

`NOCHANGELOG`

docs/dagster-university/yarn.lock

@@ -954,7 +954,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"braces@npm:^3.0.2, braces@npm:~3.0.2":
+"braces@npm:^3.0.3, braces@npm:~3.0.2":
   version: 3.0.3
   resolution: "braces@npm:3.0.3"
   dependencies:
@@ -3314,12 +3314,12 @@ __metadata:
   linkType: hard
 
 "micromatch@npm:^4.0.4, micromatch@npm:^4.0.5":
-  version: 4.0.5
-  resolution: "micromatch@npm:4.0.5"
+  version: 4.0.8
+  resolution: "micromatch@npm:4.0.8"
   dependencies:
-    braces: ^3.0.2
+    braces: ^3.0.3
     picomatch: ^2.3.1
-  checksum: 02a17b671c06e8fefeeb6ef996119c1e597c942e632a21ef589154f23898c9c6a9858526246abb14f8bca6e77734aa9dcf65476fca47cedfb80d9577d52843fc
+  checksum: 79920eb634e6f400b464a954fcfa589c4e7c7143209488e44baf627f9affc8b1e306f41f4f0deedde97e69cb725920879462d3e750ab3bd3c1aed675bb3a8966
   languageName: node
   linkType: hard