fix(ci): use bun in web workflow

Author: brndnmtthws

.github/workflows/web.yml

@@ -25,13 +25,15 @@ jobs:
         uses: actions/setup-node@v5
         with:
           node-version: 18
-          cache: npm
-          cache-dependency-path: '**/package-lock.json'
-      - run: npm ci
+      - name: Use Bun
+        uses: oven-sh/setup-bun@v2
+        with:
+          bun-version: 1.3.10
+      - run: bun install --frozen-lockfile
         working-directory: web
-      - run: npm run lint
+      - run: bun run lint
         working-directory: web
-      - run: npm run build --if-present
+      - run: bun run build
         working-directory: web
-      - run: npm run e2e:headless
+      - run: bun run e2e:headless
         working-directory: web