fix display name

Author: blink1073

.evergreen/config.yml

@@ -1792,13 +1792,13 @@ buildvariants:
     - testazurekms-fail-task
 
 - name: rhel8-test-lambda
-  display_name: AWS Lambda handler tests
+  display_name: FaaS Lambda
   run_on: rhel87-small
   tasks:
     - name: test_aws_lambda_task_group
 
 - name: rhel8-import-time
-  display_name: Import Time Check
+  display_name: Import Time
   run_on: rhel87-small
   tasks:
     - name: "check-import-time"
@@ -1811,7 +1811,7 @@ buildvariants:
     - name: "backport-pr"
 
 - name: "perf-tests"
-  display_name: "Performance Benchmark Tests"
+  display_name: "Performance Benchmarks"
   batchtime: 10080  # 7 days
   run_on: rhel90-dbx-perf-large
   tasks: