chore: update build pipeline to use v4 of github actions (#325)

Updates the CI pipelines to use the newer 4.x actions from github

Author: thomashohn

.github/workflows/ci.yml

@@ -20,7 +20,7 @@ jobs:
           - 22 # remove May 2027
           - x.x.x # safety net; don't remove
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-node@v3
         with:
           node-version: ${{ matrix.node_version }}
@@ -32,8 +32,8 @@ jobs:
     needs: build
     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: 22
           registry-url: https://registry.npmjs.org/