ci: update github action workflow (#236)

* ci: bump node versions
* ci: bump actions/checkout dependency
* ci: bump actions/setup-node dependency
* ci: bump codecov/codecov-action dependency
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 231a228..3aa5658 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -27,14 +27,14 @@
 
     strategy:
       matrix:
-        node-version: [12.x, 14.x, 16.x]
+        node-version: [14.x, 16.x, 18.x]
         os: [ubuntu-latest, windows-latest, macos-latest]
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
 
       - name: Use Node.js ${{ matrix.node-version }}
-        uses: actions/setup-node@v1
+        uses: actions/setup-node@v3
         with:
           node-version: ${{ matrix.node-version }}
 
@@ -48,6 +48,6 @@
         env:
           CI: true
 
-      - uses: codecov/codecov-action@v1
+      - uses: codecov/codecov-action@v3
         with:
           fail_ci_if_error: true