build(deps): Bump powsybl.version from 6.8.1 to 7.2.1

Bumps `powsybl.version` from 6.8.1 to 7.2.1.

Updates `com.powsybl:powsybl-cgmes-conversion` from 6.8.1 to 7.2.1

Updates `com.powsybl:powsybl-triple-store-impl-rdf4j` from 6.8.1 to 7.2.1

---
updated-dependencies:
- dependency-name: com.powsybl:powsybl-cgmes-conversion
  dependency-version: 7.2.1
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: com.powsybl:powsybl-triple-store-impl-rdf4j
  dependency-version: 7.2.1
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

pom.xml

@@ -25,7 +25,7 @@ SPDX-License-Identifier: Apache-2.0
 
         <quarkus.platform.version>2.16.6.Final</quarkus.platform.version>
         <microprofile-openapi-api.version>3.1.1</microprofile-openapi-api.version>
-        <powsybl.version>6.8.1</powsybl.version>
+        <powsybl.version>7.2.1</powsybl.version>
         <log4j2.version>2.25.4</log4j2.version>
         <mapstruct.version>1.6.3</mapstruct.version>
         <openpojo.version>0.9.1</openpojo.version>