[GIT PULL] gitk: UI themes, osascript fix on macOS, fix absent remote tracking branches

The following changes since commit ac8fec7d8de265e56441713faaf4e08f11c31469:

  gitk: add README with usage, build, and contribution details (2025-08-28 19:51:31 +0200)

are available in the Git repository at:

  https://github.com/j6t/gitk.git master

for you to fetch changes up to c435c515dad872532705d45d9ff81d3f4af22d6d:

  Merge branch 'ml/themes' (2025-10-05 13:09:49 +0200)

----------------------------------------------------------------
Eric Sunshine (1):
      gitk: fix MacOS 10.14 "Mojave" crash on launch

Johannes Sixt (3):
      Merge branch 'mr/sort-refs-by-type'
      Merge branch 'es/ignore-osascript-failure'
      Merge branch 'ml/themes'

Mark Levedahl (13):
      gitk: use themed spinboxes
      gitk: make sha1but a ttk::button
      gitk: use config variables to define and load a theme
      gitk: do not invoke tk_setPalette
      gitk: use text labels for commit ID buttons
      gitk: use text labels for next/prev search buttons
      gitk: eliminate Interface color option from gui
      gitk: eliminate unused ui color variables
      gitk: add proc run_themeloader
      gitk: add theme selection to color configuration page
      gitk: make configuration dialog resizing useful
      gitk: separate code blocks for configuration dialog
      gitk: set minimum size on configuration dialog

Michael Rappazzo (1):
      gitk: fix error when remote tracking branch is deleted

 gitk | 283 +++++++++++++++++++++++++++++++++++++++----------------------------
 1 file changed, 164 insertions(+), 119 deletions(-)