chore: pin npm for kerberos tests

Author: durran

.evergreen/config.yml

@@ -1699,6 +1699,7 @@ tasks:
         params:
           updates:
             - {key: NATIVE, value: 'true'}
+            - {key: NPM_VERSION, value: 11.4.2}
       - func: install dependencies
       - func: assume secrets manager role
       - func: run kerberos tests

.evergreen/generate_evergreen_tasks.js

@@ -156,7 +156,8 @@ TASKS.push(
       tags: ['auth', 'kerberos'],
       commands: [
         updateExpansions({
-          NATIVE: 'true'
+          NATIVE: 'true',
+          NPM_VERSION: '11.4.2'
         }),
         { func: 'install dependencies' },
         { func: 'assume secrets manager role' },