fix supported-features key on query parameter

tests/features/Vendor Extensibility/vendor_extensibility.robot

@@ -44,7 +44,7 @@ Published API with vendor extensibility
 
     # Test
     ${resp}=    Get Request Capif
-    ...    ${DISCOVER_URL}${register_user_info_invoker['api_invoker_id']}&aef-id=${register_user_info['aef_id']}&supported_features=2
+    ...    ${DISCOVER_URL}${register_user_info_invoker['api_invoker_id']}&aef-id=${register_user_info['aef_id']}&supported-features=2
     ...    server=${CAPIF_HTTPS_URL}
     ...    verify=ca.crt
     ...    username=${INVOKER_USERNAME}
@@ -87,7 +87,7 @@ Published API with vendor extensibility and discover with VendSpecQueryParams di
 
     # Test
     ${resp}=    Get Request Capif
-    ...    ${DISCOVER_URL}${register_user_info_invoker['api_invoker_id']}&aef-id=${register_user_info['aef_id']}&supported_features=0
+    ...    ${DISCOVER_URL}${register_user_info_invoker['api_invoker_id']}&aef-id=${register_user_info['aef_id']}&supported-features=0
     ...    server=${CAPIF_HTTPS_URL}
     ...    verify=ca.crt
     ...    username=${INVOKER_USERNAME}
@@ -238,7 +238,7 @@ Published API without vendor extensibility discover with VendSpecQueryParams ena
 
     # Test
     ${resp}=    Get Request Capif
-    ...    ${DISCOVER_URL}${register_user_info_invoker['api_invoker_id']}&aef-id=${register_user_info['aef_id']}&supported_features=2
+    ...    ${DISCOVER_URL}${register_user_info_invoker['api_invoker_id']}&aef-id=${register_user_info['aef_id']}&supported-features=2
     ...    server=${CAPIF_HTTPS_URL}
     ...    verify=ca.crt
     ...    username=${INVOKER_USERNAME}
@@ -267,7 +267,7 @@ Published API without vendor extensibility and discover with vendSpecQueryParams
 
     # Test
     ${resp}=    Get Request Capif
-    ...    ${DISCOVER_URL}${register_user_info_invoker['api_invoker_id']}&aef-id=${register_user_info['aef_id']}&supported_features=0
+    ...    ${DISCOVER_URL}${register_user_info_invoker['api_invoker_id']}&aef-id=${register_user_info['aef_id']}&supported-features=0
     ...    server=${CAPIF_HTTPS_URL}
     ...    verify=ca.crt
     ...    username=${INVOKER_USERNAME}