Pin CI to the bun version the tests are written against

1.2.19 has no test.serial, so whole integration files failed to load and took
their tests with them.

Author: TheGreatAxios

.github/workflows/ci.yml

@@ -21,7 +21,7 @@ jobs:
       - name: Setup Bun
         uses: oven-sh/setup-bun@v2
         with:
-          bun-version: "1.2.19"
+          bun-version: "1.3.14"
 
       - name: Install dependencies
         run: bun install --frozen-lockfile