chore(deps): update actions/setup-node action to v6 (#20)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/release.yml

@@ -22,7 +22,7 @@ jobs:
         uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5
 
       - name: Setup Node.js
-        uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4
+        uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6
         with:
           node-version: 24.15.0
 

.github/workflows/test.yml

@@ -29,7 +29,7 @@ jobs:
           corepack enable
 
       - name: Setup Node.js
-        uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4
+        uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6
         with:
           node-version: 24.15.0
           cache: "pnpm"