build: Enable building of Qt documentation with Texinfo >= 7.0 (bug #62648). * doc/interpreter/mk-qthelp.pl: Update regular expressions that find the start of data in index.html and Function-index.html to include additional pattern generated by Texinfo 7.0.

root = true

[*]
charset = utf-8
end_of_line = lf
indent_size = 2
indent_style = space
insert_final_newline = true

[*.{am,mk}]
indent_size = tab
indent_style = tab