optable-targeting: rename gdpr query attribute

Author: softcoder594

extra/modules/optable-targeting/src/main/java/org/prebid/server/hooks/modules/optable/targeting/v1/core/QueryBuilder.java

@@ -57,7 +57,7 @@ private void addAttributes(StringBuilder sb, OptableAttributes optableAttributes
         Optional.ofNullable(optableAttributes.getGdprConsent()).ifPresent(consent ->
                 sb.append("&gdpr_consent=").append(consent));
         Optional.of(optableAttributes.isGdprApplies()).ifPresent(applies ->
-                sb.append("&gdprApplies=").append(applies ? 1 : 0));
+                sb.append("&gdpr=").append(applies ? 1 : 0));
         Optional.ofNullable(optableAttributes.getGpp()).ifPresent(tcf ->
                 sb.append("&gpp=").append(tcf));
         Optional.ofNullable(optableAttributes.getGppSid()).ifPresent(gppSids -> {

extra/modules/optable-targeting/src/test/java/org/prebid/server/hooks/modules/optable/targeting/v1/core/QueryBuilderTest.java

@@ -42,7 +42,7 @@ public void shouldBuildQueryStringWithExtraAttributes() {
         final String query = target.build(ids, optableAttributes);
 
         // then
-        assertThat(query).contains("&gdprApplies=1", "&gdpr_consent=tcf", "&timeout=100ms");
+        assertThat(query).contains("&gdpr=1", "&gdpr_consent=tcf", "&timeout=100ms");
     }
 
     @Test