Bump micromatch from 4.0.7 to 4.0.8 in /web-app (#3437)

Bumps [micromatch](https://github.com/micromatch/micromatch) from 4.0.7 to 4.0.8.
- [Release notes](https://github.com/micromatch/micromatch/releases)
- [Changelog](https://github.com/micromatch/micromatch/blob/master/CHANGELOG.md)
- [Commits](micromatch/micromatch@4.0.7...4.0.8)

---
updated-dependencies:
- dependency-name: micromatch
  dependency-type: indirect
...

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

Author: dependabot[bot]

web-app/yarn.lock

@@ -12089,12 +12089,12 @@ __metadata:
   linkType: hard
 
 "micromatch@npm:^4.0.2, micromatch@npm:^4.0.4, micromatch@npm:^4.0.5":
-  version: 4.0.7
-  resolution: "micromatch@npm:4.0.7"
+  version: 4.0.8
+  resolution: "micromatch@npm:4.0.8"
   dependencies:
     braces: "npm:^3.0.3"
     picomatch: "npm:^2.3.1"
-  checksum: 10c0/58fa99bc5265edec206e9163a1d2cec5fabc46a5b473c45f4a700adce88c2520456ae35f2b301e4410fb3afb27e9521fb2813f6fc96be0a48a89430e0916a772
+  checksum: 10c0/166fa6eb926b9553f32ef81f5f531d27b4ce7da60e5baf8c021d043b27a388fb95e46a8038d5045877881e673f8134122b59624d5cecbd16eb50a42e7a6b5ca8
   languageName: node
   linkType: hard