update node to 20 on workflows

Author: gabrielmfern

.github/workflows/main.yml

@@ -12,7 +12,7 @@ jobs:
       - uses: pnpm/action-setup@v2
       - uses: actions/setup-node@v3
         with:
-          node-version: 16.x
+          node-version: 20.x
           cache: "pnpm"
 
       - run: pnpm install --frozen-lockfile

.github/workflows/publish.yml

@@ -19,7 +19,7 @@ jobs:
       - uses: pnpm/action-setup@v2
       - uses: actions/setup-node@v3
         with:
-          node-version: 16.x
+          node-version: 20.x
           cache: "pnpm"
 
       - run: pnpm install --frozen-lockfile