chore: update pnpm in CI workflows

.github/workflows/node.js.yml

@@ -15,7 +15,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [14.x, 16.x, 18.x]
+        node-version: [16.x, 18.x, 20.x]
 
     steps:
     - uses: actions/checkout@v3
@@ -26,7 +26,7 @@ jobs:
     - name: Setup PNPM ${{ matrix.pnpm-version }}
       uses: pnpm/action-setup@v2.4.0
       with:
-        version: 7.29.3
+        version: 8.x.x
     - run: pnpm install --frozen-lockfile
     - run: pnpm build 
     - run: pnpm test

.github/workflows/npm-publish.yml

@@ -14,10 +14,10 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-node@v3 
         with:
-          node-version: 16
+          node-version: 18
       - uses: pnpm/action-setup@v2.4.0
         with:
-          version: 7.29.3
+          version: 8.x.x
       - run: pnpm install --frozen-lockfile
       - run: pnpm build
       - run: pnpm test
@@ -29,11 +29,11 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-node@v3
         with:
-          node-version: 16
+          node-version: 18
           registry-url: https://registry.npmjs.org/
       - uses: pnpm/action-setup@v2.4.0
         with:
-          version: 7.29.3
+          version: 8.x.x
       - run: pnpm install --frozen-lockfile
       - run: npm publish
         env: