fix(deps): update dependency geostyler-sld-parser to v5.4.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
geostyler-sld-parser	5.3.1 -> 5.4.0

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Release Notes

geostyler/geostyler-sld-parser (geostyler-sld-parser)

### [`v5.4.0`](https://togithub.com/geostyler/geostyler-sld-parser/blob/HEAD/CHANGELOG.md#540-2024-06-21) [Compare Source](https://togithub.com/geostyler/geostyler-sld-parser/compare/v5.3.1...v5.4.0) ##### Features - Extract SLD version from SLD ([#​926](https://togithub.com/geostyler/geostyler-sld-parser/issues/926)) ([56f231b](https://togithub.com/geostyler/geostyler-sld-parser/commit/56f231bf57b15242a5451ce9797847018053d201)) - implement i18n for error messages [#​923](https://togithub.com/geostyler/geostyler-sld-parser/issues/923) [#​924](https://togithub.com/geostyler/geostyler-sld-parser/issues/924) ([#​928](https://togithub.com/geostyler/geostyler-sld-parser/issues/928)) ([e01c8c8](https://togithub.com/geostyler/geostyler-sld-parser/commit/e01c8c837bfcb0dc36912f8cc25581ccc2bfe3f3)) ##### Bug Fixes - offset Y for Textsymbolizer ([#​932](https://togithub.com/geostyler/geostyler-sld-parser/issues/932)) ([398ce0c](https://togithub.com/geostyler/geostyler-sld-parser/commit/398ce0ca844e17d06e37ebc3eb8099c1d71f454f)), closes [#​566](https://togithub.com/geostyler/geostyler-sld-parser/issues/566)

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