fix: update unit test action to remove nodejs error

Author: JamieJQuinn

.github/workflows/build_and_test.yml

@@ -10,15 +10,15 @@ jobs:
       OMPI_VERSION: 4.1.5
     steps:
 
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     # We don't want to build openmpi each time this workflow is
     # run. Setup caching of OpenMPI after it is built and installed.
     # See "Caching dependencies to speed up workflows" on the GH
     # actions docs.
     - name: Cache OpenMPI
       id: cache-openmpi
-      uses: actions/cache@v2
+      uses: actions/cache@v4
       with:
         path: openmpi-${{ env.OMPI_VERSION }}/installed
         key: openmpi-${{ env.OMPI_VERSION }}