Added link to some external docs

.github/workflows/integration-tests.yaml

@@ -1,3 +1,7 @@
+# This workflow splits the tests to run across multiple nodes. This significantly reduces the testing time, as the
+# tests require starting Octopus, MSSQL, and then running Terraform against the Octopus instance.
+# See # Refer to https://github.com/hashicorp-forge/go-test-split-action for more information on how the tests are split.
+
 name: Integration Tests
 'on':
   workflow_dispatch: {}
@@ -109,8 +113,6 @@ jobs:
         uses: actions/checkout@v3
 
       - uses: actions/setup-node@v3
-        with:
-          node-version: 16
 
       - name: Download artifacts
         uses: actions/download-artifact@v3