[DOCS] Correct changelog for deprecation of _CSS_PAGE_STYLE

The TypoScript "cssInline" property is only available on PAGE
level, not as a property on CONFIG.

Resolves: #99057
Related: #99050
Releases: main
Change-Id: Ic302d6ea79aba3cb32813f001f9d2dc57daabbaf
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/76548


Tested-by: core-ci <typo3@b13.com>
Tested-by: Benni Mack <benni@typo3.org>
Tested-by: Susanne Moog <look@susi.dev>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>
Reviewed-by: Benni Mack <benni@typo3.org>
Reviewed-by: Susanne Moog <look@susi.dev>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>