詳しい使い方は gh cache list --help をみてくれ！

$ gh cache list --help
List Github Actions caches

For more information about output formatting flags, see `gh help formatting`.

USAGE
  gh cache list [flags]

ALIASES
  ls

FLAGS
  -q, --jq expression     Filter JSON output using a jq expression
      --json fields       Output JSON with the specified fields
  -k, --key string        Filter by cache key prefix
  -L, --limit int         Maximum number of caches to fetch (default 30)
  -O, --order string      Order of caches returned: {asc|desc} (default "desc")
  -r, --ref string        Filter by ref, formatted as refs/heads/<branch name> or refs/pull/<number>/merge
  -S, --sort string       Sort fetched caches: {created_at|last_accessed_at|size_in_bytes} (default "last_accessed_at")
  -t, --template string   Format JSON output using a Go template; see "gh help formatting"

INHERITED FLAGS
      --help                     Show help for command
  -R, --repo [HOST/]OWNER/REPO   Select another repository using the [HOST/]OWNER/REPO format

EXAMPLES
  # List caches for current repository
  $ gh cache list

  # List caches for specific repository
  $ gh cache list --repo cli/cli

  # List caches sorted by least recently accessed
  $ gh cache list --sort last_accessed_at --order asc

  # List caches that have keys matching a prefix (or that match exactly)
  $ gh cache list --key key-prefix

  # To list caches for a specific branch, replace <branch-name> with the actual branch name
  $ gh cache list --ref refs/heads/<branch-name>

  # To list caches for a specific pull request, replace <pr-number> with the actual pull request number
  $ gh cache list --ref refs/pull/<pr-number>/merge