upgrade clap to v4.5 (#5273)

* upgrade clap to v4.5

* cli fixes

* Merge branch 'unstable' of https://github.com/sigp/lighthouse into upgrade-clap-cli

* value parser for mnemonic

* Merge branch 'unstable' of https://github.com/sigp/lighthouse into upgrade-clap-cli

* merge unstable

* default --format val

* fix eth sim

* fix eth sim

* merge conflicts

* resolve beta compiler issue

* add num args, version

* add custom flag parser, make rate limiter flags clap friendly

* remove unneeded check

* fmt

* update

* alphabetic order

* resolve merge conflict

* fix test

* resolve conflicts

* fix test

* revert removed if statement

* fmt got me again

* fix broken flag

* make cli

* make cli

* update

* remove -e files

* update

* cli help updates

* Merge branch 'unstable' of https://github.com/sigp/lighthouse into upgrade-clap-cli

* cli help updates

* md files

* merge conflict

* merge conflicts

* md

* help text, text width, and a few flag fixes

* fmt

* merge

* revert

* revert

* resolve merge conflicts

* merge conflicts

* revert simulator changes

* require at least one arg

* fix eth sim cli

* resolve merge conflicts

* book changes

* md changes

* cli check

* cli check

* retry cli check

* retry cli check

* Merge branch 'unstable' of https://github.com/sigp/lighthouse into upgrade-clap-cli

* cli

* Merge remote-tracking branch 'origin/unstable' into upgrade-clap-cli

* Update CLI docs for Goerli removal

* Fix cargo lock

scripts/cli.sh

@@ -12,9 +12,6 @@ write_to_file() {
     local file="$2"
     local program="$3"
 
-    # Remove first line of cmd to get rid of commit specific numbers.
-    cmd=${cmd#*$'\n'}
-
     # We need to add the header and the backticks to create the code block.
     printf "# %s\n\n\`\`\`\n%s\n\`\`\`" "$program" "$cmd" > "$file"