Update dependency libxml2 to v2.13.3

This MR contains the following updates:

Package	Update	Change
libxml2	patch	2.13.2 -> 2.13.3

MR created with the help of gitlab-org/frontend/renovate-gitlab-bot

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Release Notes

GNOME/libxml2 (libxml2)

v2.13.3: libxml2 2.13.3

Compare Source

Security

• [CVE-2024-40896] Fix XXE protection in downstream code

Regressions

• autotools: Use AC_CHECK_DECL to check for getentropy
• xinclude: Fix fallback for text includes
• io: Don't call getcwd in xmlParserGetDirectory
• io: Fix return value of xmlFileRead
• parser: Fix error return of xmlParseBalancedChunkMemory

Improvements

• xinclude: Set error handler when parsing text
• Undeprecate xmlKeepBlanksDefault

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