Skip new ENRICH tests only on 8.14 (elastic#132012)

They should work correctly on 8.15+.
elastic#131640 disabled them on
8.14-8.17.

Backporting this to 8.18 (+ unmuting!) will fix: -
elastic#131977 -
elastic#131976 -
elastic#131970 -
elastic#131969 -
elastic#131968 -
elastic#131959 -
elastic#131958 -
elastic#131957 -
elastic#131956 -
elastic#131013

Author: alex-spies

x-pack/plugin/esql/qa/testFixtures/src/main/resources/enrich.csv-spec

@@ -664,7 +664,7 @@ Fyodor Dostoevsky     |1211           |null             |null          |null
 ;
 
 
-statsAfterRemoteEnrich#[skip:-8.17.99]
+statsAfterRemoteEnrich#[skip:-8.14.99]
 required_capability: enrich_load
 
 FROM sample_data
@@ -680,7 +680,7 @@ messages:long | language_name:keyword
 ;
 
 
-enrichAfterRemoteEnrich#[skip:-8.17.99]
+enrichAfterRemoteEnrich#[skip:-8.14.99]
 required_capability: enrich_load
 
 FROM sample_data
@@ -697,7 +697,7 @@ Connected to 10.1.0.1 | 1                     | English                     | En
 ;
 
 
-coordinatorEnrichAfterRemoteEnrich#[skip:-8.17.99]
+coordinatorEnrichAfterRemoteEnrich#[skip:-8.14.99]
 required_capability: enrich_load
 
 FROM sample_data
@@ -714,7 +714,7 @@ Connected to 10.1.0.1 | 1                     | English                     | En
 ;
 
 
-doubleRemoteEnrich#[skip:-8.17.99]
+doubleRemoteEnrich#[skip:-8.14.99]
 required_capability: enrich_load
 
 FROM sample_data
@@ -731,7 +731,7 @@ Connected to 10.1.0.1 | 1                     | English                     | En
 ;
 
 
-enrichAfterCoordinatorEnrich#[skip:-8.17.99]
+enrichAfterCoordinatorEnrich#[skip:-8.14.99]
 required_capability: enrich_load
 
 FROM sample_data
@@ -748,7 +748,7 @@ Connected to 10.1.0.1 | 1                     | English                     | En
 ;
 
 
-doubleCoordinatorEnrich#[skip:-8.17.99]
+doubleCoordinatorEnrich#[skip:-8.14.99]
 required_capability: enrich_load
 
 FROM sample_data