ci: update github action versions

Author: danielwaltz

.github/workflows/main.yml

@@ -4,8 +4,8 @@ jobs:
   test:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
-      - uses: actions/setup-node@v3
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
         with:
           node-version-file: .nvmrc
           cache: npm
@@ -20,10 +20,10 @@ jobs:
     runs-on: ubuntu-latest
     needs: test
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
-      - uses: actions/setup-node@v3
+      - uses: actions/setup-node@v4
         with:
           node-version-file: .nvmrc
           cache: npm