chore(deps): bump oven-sh/setup-bun from 1 to 2

Auto-merged dependabot update. Build/lint/typecheck pass.

Author: dependabot[bot]

.github/workflows/lint.yml

@@ -8,6 +8,6 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
-      - uses: oven-sh/setup-bun@v1
+      - uses: oven-sh/setup-bun@v2
       - run: bun install
       - run: bun run lint

.github/workflows/typecheck.yml

@@ -9,7 +9,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      - uses: oven-sh/setup-bun@v1
+      - uses: oven-sh/setup-bun@v2
 
       - run: bun install