texinfo: Update to version 7.0.3

texinfo: Update to version 7.0.3

- Update from version 7.0.2 to 7.0.3
- Update of rootfile not required
- Changelog
    7.0.3 (26 March 2023)
	This is a bug-fix release with minimal changes.
	* texi2any
	  . fix performance regression when Perl binary extension (XS) modules
	    are not being used (e.g. with TEXINFO_XS=omit)
	* info
	  . further fix of recoding of UTF-8 files to ASCII to avoid text
	    disappearing from nodes
	  . avoid possible freeze at start of a file with `-v nodeline=pointers'

Signed-off-by: Adolf Belka <adolf.belka@ipfire.org>
Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>