chore: pin unit test to node 22.6 until 22.8 is available (#4957)

Author: JamieDanielson

.github/workflows/unit-test.yml

@@ -16,7 +16,7 @@ jobs:
           - "16"
           - "18"
           - "20"
-          - "22"
+          - "22.6" # temp until 22.8 is released (bug in 22.7)
     runs-on: ubuntu-latest
     env:
       NPM_CONFIG_UNSAFE_PERM: true