Update dependency ijson to v2.5.1

[renovate[bot]]

This PR contains the following updates:

Package	Update	Change
ijson	minor	==2.4 -> ==2.5.1

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Release Notes

ICRAR/ijson

### [`v2.5.1`](https://togithub.com/ICRAR/ijson/blob/master/CHANGELOG.md#​251) [Compare Source](https://togithub.com/ICRAR/ijson/compare/v2.5...v2.5.1) - Fixing backwards compatibility, allowing string readers in all backends ([#​12](https://togithub.com/ICRAR/ijson/issues/12), [#​13](https://togithub.com/ICRAR/ijson/issues/13)). ### [`v2.5`](https://togithub.com/ICRAR/ijson/blob/master/CHANGELOG.md#​251) [Compare Source](https://togithub.com/ICRAR/ijson/compare/2.4...v2.5) - Fixing backwards compatibility, allowing string readers in all backends ([#​12](https://togithub.com/ICRAR/ijson/issues/12), [#​13](https://togithub.com/ICRAR/ijson/issues/13)).

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