chore: bump @coreui/coreui from 4.2.0 to 4.2.6 in /frontend

Bumps [@coreui/coreui](https://github.com/coreui/coreui) from 4.2.0 to 4.2.6.
- [Release notes](https://github.com/coreui/coreui/releases)
- [Changelog](https://github.com/coreui/coreui/blob/main/CHANGELOG.md)
- [Commits](https://github.com/coreui/coreui/commits/v4.2.6)

---
updated-dependencies:
- dependency-name: "@coreui/coreui"
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

frontend/package-lock.json

@@ -10,7 +10,7 @@
       "license": "MIT",
       "dependencies": {
         "@coreui/chartjs": "^3.0.0",
-        "@coreui/coreui": "^4.1.0",
+        "@coreui/coreui": "^4.2.6",
         "@coreui/icons": "^2.1.0",
         "@coreui/icons-vue": "2.0.0",
         "@coreui/utils": "^1.3.1",
@@ -1740,13 +1740,14 @@
       }
     },
     "node_modules/@coreui/coreui": {
-      "version": "4.2.0",
-      "license": "MIT",
+      "version": "4.2.6",
+      "resolved": "https://registry.npmjs.org/@coreui/coreui/-/coreui-4.2.6.tgz",
+      "integrity": "sha512-h9j1BVnaDi9vSr1t0H8NL3hlDD4lU9kIdGLXn7g9k5iaFq5EDlRDcSBDer6lR2O4sIEl7W7YqTlevLxFC+1cIA==",
       "dependencies": {
         "postcss-combine-duplicated-selectors": "^10.0.3"
       },
       "peerDependencies": {
-        "@popperjs/core": "^2.11.5"
+        "@popperjs/core": "^2.11.6"
       }
     },
     "node_modules/@coreui/icons": {
@@ -17875,7 +17876,9 @@
       }
     },
     "@coreui/coreui": {
-      "version": "4.2.0",
+      "version": "4.2.6",
+      "resolved": "https://registry.npmjs.org/@coreui/coreui/-/coreui-4.2.6.tgz",
+      "integrity": "sha512-h9j1BVnaDi9vSr1t0H8NL3hlDD4lU9kIdGLXn7g9k5iaFq5EDlRDcSBDer6lR2O4sIEl7W7YqTlevLxFC+1cIA==",
       "requires": {
         "postcss-combine-duplicated-selectors": "^10.0.3"
       }

frontend/package.json

@@ -13,7 +13,7 @@
   },
   "dependencies": {
     "@coreui/chartjs": "^3.0.0",
-    "@coreui/coreui": "^4.1.0",
+    "@coreui/coreui": "^4.2.6",
     "@coreui/icons": "^2.1.0",
     "@coreui/icons-vue": "2.0.0",
     "@coreui/utils": "^1.3.1",