build(deps-dev): bump react from 18.3.0 to 19.0.0 in /workspaces/upptime

Bumps [react](https://github.com/facebook/react/tree/HEAD/packages/react) from 18.3.0 to 19.0.0.
- [Release notes](https://github.com/facebook/react/releases)
- [Changelog](https://github.com/facebook/react/blob/main/CHANGELOG.md)
- [Commits](https://github.com/facebook/react/commits/v19.0.0/packages/react)

---
updated-dependencies:
- dependency-name: react
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

workspaces/upptime/plugins/upptime-frontend/package.json

@@ -52,12 +52,12 @@
     "@types/node": "*",
     "cross-fetch": "^4.0.0",
     "jest-fetch-mock": "^3.0.3",
-    "react": "^16.13.1 || ^17.0.0 || ^18.0.0",
+    "react": "^19.0.0",
     "react-dom": "^18.3.1",
     "react-router-dom": "6.28.0"
   },
   "peerDependencies": {
-    "react": "^16.13.1 || ^17.0.0 || ^18.0.0",
+    "react": "^19.0.0",
     "react-dom": "^18.3.1",
     "react-router-dom": "6.28.0"
   },

workspaces/upptime/yarn.lock

@@ -6472,12 +6472,12 @@ __metadata:
     "@types/node": "npm:*"
     cross-fetch: "npm:^4.0.0"
     jest-fetch-mock: "npm:^3.0.3"
-    react: "npm:^16.13.1 || ^17.0.0 || ^18.0.0"
+    react: "npm:^19.0.0"
     react-dom: "npm:^18.3.1"
     react-router-dom: "npm:6.28.0"
     react-use: "npm:^17.5.1"
   peerDependencies:
-    react: ^16.13.1 || ^17.0.0 || ^18.0.0
+    react: ^19.0.0
     react-dom: ^18.3.1
     react-router-dom: 6.28.0
   languageName: unknown
@@ -22182,12 +22182,10 @@ __metadata:
   languageName: node
   linkType: hard
 
-"react@npm:^16.13.1 || ^17.0.0 || ^18.0.0":
-  version: 18.3.0
-  resolution: "react@npm:18.3.0"
-  dependencies:
-    loose-envify: "npm:^1.1.0"
-  checksum: 10/17112377dad4e5c868b608be57c8e970a3f6ee6eb6269a5c4c23b11b8b4f393c42a8a046be0c9ddbc5f182b909330ddbecab905bcdea5051b05ec3914491fd79
+"react@npm:^19.0.0":
+  version: 19.0.0
+  resolution: "react@npm:19.0.0"
+  checksum: 10/2490969c503f644703c88990d20e4011fa6119ddeca451e9de48f6d7ab058d670d2852a5fcd3aa3cd90a923ab2815d532637bd4a814add402ae5c0d4f129ee71
   languageName: node
   linkType: hard