`enable-file-descriptor-size` not available on 0.7.0 ?

[cmehat]

according to the base readme this option is available
--systemd.collector.enable-file-descriptor-size Enables file descriptor size metrics. Systemd Exporter needs access to /proc/X/fd files.

$ sudo systemd_exporter --systemd.collector.enable-file-descriptor-size
systemd_exporter: error: unknown long flag '--systemd.collector.enable-file-descriptor-size', try --help

$ systemd_exporter --version
systemd_exporter, version 0.7.0 (branch: HEAD, revision: 8b490c0159f2d3b80d1721c1e632a021f496f375)
  build user:       root@ecc5fcf2da63
  build date:       20250314-08:39:11
  go version:       go1.24.1
  platform:         linux/amd64
  tags:             unknown

$ systemd_exporter --help
usage: systemd_exporter [<flags>]

Flags:
  -h, --[no-]help                Show context-sensitive help (also try --help-long and --help-man).
      --systemd.collector.unit-include=".+"
                                 Regexp of systemd units to include. Units must both match include and not match exclude to be included.
      --systemd.collector.unit-exclude=".+\\.(device)"
                                 Regexp of systemd units to exclude. Units must both match include and not match exclude to be included.
      --[no-]systemd.collector.private
                                 Establish a private, direct connection to systemd without dbus.
      --[no-]systemd.collector.user
                                 Connect to the user systemd instance.
      --[no-]systemd.collector.enable-restart-count
                                 Enables service restart count metrics. This feature only works with systemd 235 and above.
      --[no-]systemd.collector.enable-ip-accounting
                                 Enables service ip accounting metrics. This feature only works with systemd 235 and above.
      --web.telemetry-path="/metrics"
                                 Path under which to expose metrics.
      --[no-]web.disable-exporter-metrics
                                 Exclude metrics about the exporter itself (promhttp_*, process_*, go_*).
      --web.max-requests=40      Maximum number of parallel scrape requests. Use 0 to disable.
      --[no-]systemd.collector.enable-resolved
                                 Enable systemd-resolved statistics
      --[no-]web.systemd-socket  Use systemd socket activation listeners instead of port listeners (Linux only).
      --web.listen-address=:9558 ...
                                 Addresses on which to expose metrics and web interface. Repeatable for multiple addresses. Examples: `:9100` or `[::1]:9100` for http, `vsock://:9100` for vsock
      --web.config.file=""       Path to configuration file that can enable TLS or authentication. See: https://github.com/prometheus/exporter-toolkit/blob/master/docs/web-configuration.md
      --log.level=info           Only log messages with the given severity or above. One of: [debug, info, warn, error]
      --log.format=logfmt        Output format of log messages. One of: [logfmt, json]
      --[no-]version             Show application version.