fix(api): capabilities test - toleration seconds

Motivation and Context

Fix capabilities test. Toleration seconds now accepts any interface{} that implements int, int32 or int64

PR Checklist

Please check if your PR fulfills the following requirements:

[X] I have created tests for my code changes, and the tests are passing.
[ ] I have executed the pre-commit hooks locally.
[ ] I have updated the documentation accordingly.
[ ] The commit message follows our guidelines: https://github.com/konstellation-io/kdl-server/blob/main/CONTRIBUTING.md
[ ] Tests for the changes have been added (for bug fixes / features)
[ ] My change requires a change to the documentation (create a new issue if the documentation has not been updated).

PR Type

What kind of change does this PR introduce?

[X] Bugfix
[ ] Feature
[ ] Code style update (formatting, local variables)
[ ] Refactoring (no functional changes, no api changes)
[ ] Build related changes
[ ] CI related changes
[ ] Documentation content changes
[ ] Other... Please describe:

What is the current behavior?

Closes #

What is the new behavior?

Does this PR introduce a breaking change?

[ ] Yes
[X] No

konstellation-io / kdl-server

fix(api): capabilities test - toleration seconds #997