Don't specify node in CI

Author: NullVoxPopuli

.github/workflows/ci.yml

@@ -23,7 +23,6 @@ jobs:
           version: 8
       - uses: actions/setup-node@v4
         with:
-          node-version: 18
           cache: pnpm
       - name: Install Dependencies
         run: pnpm install --frozen-lockfile
@@ -44,7 +43,6 @@ jobs:
           version: 8
       - uses: actions/setup-node@v4
         with:
-          node-version: 18
           cache: pnpm
       - name: Install Dependencies
         run: pnpm install --no-lockfile
@@ -72,7 +70,6 @@ jobs:
           version: 8
       - uses: actions/setup-node@v4
         with:
-          node-version: 18
           cache: pnpm
       - name: Install Dependencies
         run: pnpm install --frozen-lockfile