Bump powsybl-core to 5.0.0-RC1

[flo-dup]

Please check if the PR fulfills these requirements

• [x] The commit message follows our guidelines
• [ ] Tests for the changes have been added (for bug fixes / features)
• [ ] Docs have been added / updated (for bug fixes / features)

Does this PR already have an issue describing the problem ? No

What kind of change does this PR introduce? Library update

What is the current behavior? powsybl-core 4.10.0

What is the new behavior (if this is a feature change)? powsybl-core 5.0.0-RC1

Does this PR introduce a breaking change or deprecate an API? No, not directly.

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