gitlab-ci: Fix-up ORT_LOG_LEVEL description

The performance log level has been removed from ORT in [1].

[1] oss-review-toolkit/ort#5393

Signed-off-by: Thomas Steenbergen <[email protected]>

Author: tsteenbe

.gitlab-ci.yml

@@ -99,7 +99,7 @@ variables:
     value: ""
     description: |
       Set value to 'debug' to see additional debug output to help tracking down errors. 
-      By default set to 'performance'.
+      By default set to 'info'.
   ORT_REVISION:
     value: ""
     description: |