Fix version support in rest-api-spec tests for restore API

Signed-off-by: Sachin Kale <kalsac@amazon.com>

Author: Sachin Kale

rest-api-spec/src/main/resources/rest-api-spec/test/remote_store.restore/10_basic.yml

@@ -1,5 +1,8 @@
 ---
 "Basic remote store restore API call":
+  - skip:
+      version: " - 2.99.99"
+      reason: "remote store restore API only supported since 3.0.0"
 
   - do:
       remote_store.restore:
@@ -12,6 +15,9 @@
   - match: { remote_store.shards.failed : 0 }
 ---
 "Error no indices":
+  - skip:
+      version: " - 2.99.99"
+      reason: "remote store restore API only supported since 3.0.0"
 
   - do:
       catch: bad_request