Disable flakey validation test (open-telemetry#2533)

# Change Summary

turn off the flakey no_processor validation test to avoid affecting cicd

## What issue does this PR close?

Extension of open-telemetry#2498

## How are these changes tested?

turned off test, will fix test in future pr

## Are there any user-facing changes?

no

Author: c1ly

rust/otap-dataflow/crates/validation/src/lib.rs

@@ -41,6 +41,7 @@ mod tests {
     use crate::validation_types::attributes::{AnyValue, AttributeDomain, KeyValue};
 
     #[test]
+    #[ignore]
     fn no_processor() {
         Scenario::new()
             .pipeline(