ci: use latest Bun version

Author: metonym

.github/workflows/ci.yml

@@ -9,8 +9,6 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: oven-sh/setup-bun@v1
-        with:
-          bun-version: 1.1.7
 
       - uses: actions/cache@v4
         id: playwright-cache

.github/workflows/release.yml

@@ -18,8 +18,6 @@ jobs:
           registry-url: "https://registry.npmjs.org"
 
       - uses: oven-sh/setup-bun@v1
-        with:
-          bun-version: 1.1.7
 
       - name: Install dependencies
         run: bun install