fix task

Author: baileympearson

.evergreen/config.in.yml

@@ -1616,4 +1616,4 @@ buildvariants:
     display_name: Performance Test
     run_on: rhel90-dbx-perf-large
     tasks:
-      - run-spec-benchmark-tests-node-18-server-6.0
+      - run-spec-benchmark-tests-node-server

.evergreen/config.yml

@@ -4547,7 +4547,7 @@ buildvariants:
     display_name: Performance Test
     run_on: rhel90-dbx-perf-large
     tasks:
-      - run-spec-benchmark-tests-node-18-server-6.0
+      - run-spec-benchmark-tests-node-server
   - name: rhel80-large-gallium
     display_name: rhel8 Node16
     run_on: rhel80-large