kmod fails the test/docs pipeline

[murraybd]

I added the test/docs test to the kmod-docs package in #41325 but the test is actually failing:

2025/02/20 09:52:19 WARN + '[' -f /usr/share/man/man5/modules.dep.5 ]
2025/02/20 09:52:19 WARN + man -l /usr/share/man/man5/modules.dep.5
2025/02/20 09:52:19 WARN + doc_files=true
2025/02/20 09:52:19 WARN + '[' -f /usr/share/man/man5/modules.dep.bin.5 ]
2025/02/20 09:52:19 WARN + man -l /usr/share/man/man5/modules.dep.bin.5
2025/02/20 09:52:19 WARN man: can't open modules.dep.5: No such file or directory
2025/02/20 09:52:19 WARN man: -:1: warning: failed .so request
2025/02/20 09:52:19 WARN troff:<standard input>:1: error: can't open 'modules.dep.5': No such file or directory
2025/02/20 09:52:19 WARN grotty:<standard input>:(<standard input>):8: fatal error: 'V' command invalid before first 'p' command
2025/02/20 09:52:19 WARN man: command exited with status 1: /usr/libexec/man-db/zsoelim | /usr/libexec/man-db/manconv -f UTF-8:ISO-8859-1 -t UTF-8//IGNORE | preconv -e
 UTF-8 | tbl | nroff -mandoc -rLL=79n -rLT=79n -Tascii