ci: bump checkout and setup-node actions to v5

Node 20 runners are deprecated on GitHub Actions; the v4 actions were
being force-run on Node 24 with a warning on every job.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_015jcfPg9g4TTWQksf8vhHps

Author: ymansurozer

.github/workflows/ci.yml

@@ -10,9 +10,9 @@ jobs:
   ci:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - run: corepack enable
-      - uses: actions/setup-node@v4
+      - uses: actions/setup-node@v5
         with:
           node-version: 22
           cache: pnpm

.github/workflows/release.yml

@@ -12,9 +12,9 @@ jobs:
   release:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - run: corepack enable
-      - uses: actions/setup-node@v4
+      - uses: actions/setup-node@v5
         with:
           node-version: 22
           cache: pnpm