urfave/cli before v2.25.5 counted a flag given by its alias twice, so
one -v or --verbose already gave debug output. Bump it to v2.27.7,
which counts it once: one -v gives verbose output, two give debug.
The -v help text now says -v -v instead of -vv, which stays refused:
urfave/cli's option for combined short flags would let a flag that
takes a value read the next letter as its value.
-v and --verbose together stay refused: urfave/cli v2 refuses a flag
given under two of its names, and one flag with an alias keeps help and
parsing simple.
The bump changes some help output; generate and fetch now name their
arguments. Tests start each run at the default log level.
Model: opus-5-5
sneak