Bump io.openapiprocessor:json-schema-validator-bom from 2026.1 to 2026.2

Bumps [io.openapiprocessor:json-schema-validator-bom](https://github.com/openapi-processor/openapi-parser) from 2026.1 to 2026.2.
- [Release notes](https://github.com/openapi-processor/openapi-parser/releases)
- [Commits](openapi-processor/openapi-parser@v2026.1...v2026.2)

---
updated-dependencies:
- dependency-name: io.openapiprocessor:json-schema-validator-bom
  dependency-version: '2026.2'
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

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]