chore: add CI typecheck for REact 18

Author: mdjastrzebski

.github/workflows/ci.yml

@@ -52,6 +52,25 @@ jobs:
       - name: Typecheck
         run: yarn typecheck
 
+  typecheck-react-19:
+    needs: [install-cache-deps]
+    runs-on: ubuntu-latest
+    name: Typecheck
+    steps:
+      - name: Checkout
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+
+      - name: Setup Node.js and deps
+        uses: ./.github/actions/setup-deps
+
+      - name: Switch to React 18
+        run: |
+          yarn remove react react-test-renderer react-native @react-native/babel-preset
+          yarn add -D react@18.3.1 react-test-renderer@18.3.1 react-native@0.77.0 @react-native/babel-preset@0.77.0
+
+      - name: Typecheck
+        run: yarn typecheck
+
   test:
     needs: [install-cache-deps]
     runs-on: ubuntu-latest