fix: run tests on PRs (#118)

Author: kobenguyent

.github/workflows/run-tests.yml

@@ -1,6 +1,12 @@
 name: Tests
 
-on: [push]
+on:
+  push:
+    branches:
+      - 'main'
+  pull_request:
+    branches:
+      - '**'
 
 jobs:
   build:
@@ -9,12 +15,12 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [18.x]
+        node-version: [20.x]
 
     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 }}
     - run: npm i --force