Add valgrind support symbols to libc.so.6's symtab (#1965374)
This switches to the version of wrap-find-debuginfo.sh in
rawhide commit 14d5c92a57c6f554ff644aef25adbac9132eb37b
("Redo the crafted libc.so.6 symbol table for valgrind (#1965374)"),
adjusted for the versioned installation names.