It seems this change in debian/control is sufficient?
--- debian/control 2024-03-19 15:27:01.567243176 +0000 +++ debian/control.org 2024-03-19 15:23:54.838549231 +0000 @@ -37,7 +37,7 @@ libgtk2.0-dev, libgts-dev, libann-dev, - librsvg2-dev, + librsvg2-dev [!alpha !hppa !hurd-amd64 !hurd-i386 ia64 !m68k !sh4], libwebp-dev Build-Conflicts: tcl8.3, tcl8.4, tcl8.5 Homepage: https://www.graphviz.org/
