chore(deps): update actions/setup-node action to v6 (#106)

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

Author: renovate[bot]

.github/workflows/build.yml

@@ -15,7 +15,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - name: Set up Node.js
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
           node-version: 22.x
       - name: Set up PNPM

.github/workflows/lint.yml

@@ -15,7 +15,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - name: Set up Node.js
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
           node-version: 22.x
       - name: Set up PNPM

.github/workflows/typecheck.yml

@@ -15,7 +15,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - name: Set up Node.js
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
           node-version: 22.x
       - name: Set up PNPM

.github/workflows/unit-test.yml

@@ -15,7 +15,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - name: Set up Node.js
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
           node-version: 22.x
       - name: Set up PNPM