Increase test interval for [TEST] Functional tests with retry (radi…

…us-project#7399)

# Description

20 minutes interval creates too many test resources. So this PR increase
the interval not to create many test resources.

## Type of change

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Fixes: #issue_number

Signed-off-by: Young Bu Park <[email protected]>

.github/workflows/retry-functional-test.yaml

@@ -23,8 +23,8 @@ permissions:
 
 on:
   schedule:
-    # Run every 20 minutes
-    - cron: "*/20 * * * *"
+    # Run every 2 hours
+    - cron: "0 */2 * * *"
 
 env:
   # Go version