feat(NODE-5490)!: bump kerberos compatibility to ^2.0.1 (#3798)

Author: durran

.evergreen/generate_evergreen_tasks.js

@@ -774,13 +774,6 @@ for (const variant of BUILD_VARIANTS.filter(
   );
 }
 
-// TODO(NODE-5021): Drop support for Kerberos 1.x on in 6.0.0
-for (const variant of BUILD_VARIANTS.filter(
-  variant => variant.expansions && ['latest'].includes(variant.expansions.NODE_LTS_VERSION)
-)) {
-  variant.tasks = variant.tasks.filter(name => !['test-auth-kerberos'].includes(name));
-}
-
 // TODO(NODE-4897): Debug socks5 tests on node latest
 for (const variant of BUILD_VARIANTS.filter(
   variant => variant.expansions && ['latest'].includes(variant.expansions.NODE_LTS_VERSION)

.evergreen/run-kerberos-tests.sh

@@ -21,7 +21,7 @@ echo "Running kinit"
 kinit -k -t "$(pwd)/.evergreen/drivers.keytab" -p ${KRB5_PRINCIPAL}
 
 set -o xtrace
-npm install kerberos@">=2.0.0-beta.0"
+npm install kerberos@2.0.1
 npm run check:kerberos
 
 set +o xtrace