Bump io.openapiprocessor:json-schema-validator-bom from 2026.1 to 2026.2 (#427)

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -5,7 +5,7 @@ detekt = "1.23.8"
 okio = "3.17.0"
 serialization = "1.10.0"
 benchmark = "0.4.16"
-openapi = "2026.1"
+openapi = "2026.2"
 jackson = "2.21.2"
 
 [plugins]