Fix compile on Windows

Dependencies

• [2] ZRUPLBBT Colours in diff and change: separating concerns and dependencies
• [3] SLJ3OHD4 unrecord: show list of changes if none were given as arguments
• [4] 2K7JLB4Z No pager on Windows
• [5] SE4RJYBZ No pager on Windows (really not)
• [6] DO2Y5TY5 Tag synchronisation
• [7] GLRGFBCW Checking the version of less we have
• [*] SXEYMYF7 Fixing the bad changes in history (unfortunately, by rebooting).

Change contents

• replacement in pijul/src/commands/mod.rs at line 170
  [3.599]→[2.171:192](∅→∅)
  − fn pager() -> bool {
  [3.599]

  [2.192]
  + fn pager(_repo_config_pager: Option<&crate::config::Choice>) -> bool {