Update CI for master branch and new actions

This updates this to run CI tests for PRs made against master as well as main.

it also updates the github actions to use new versions

.github/workflows/unittests.yml

@@ -3,19 +3,21 @@ on:
   push:
     branches:
       - main
+      - master
   pull_request:
     branches:
       - main
+      - master
 jobs:
   build:
     runs-on: ubuntu-latest
     strategy:
       matrix:
         node-version: [18.x, 20.x, 22.x]
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Use Node.js ${{ matrix.node-version }}
-        uses: actions/setup-node@v1
+        uses: actions/setup-node@v4
         with:
           node-version: ${{ matrix.node-version }}
       - name: Install