Log Message:
syncthing: update to 0.14.45.

Bugfixes:

    #4560: Windows - External File Versioning Command path requires \ instead of \
    #4659: panic: bug: removed more than added
    #4680: Ignore pattern beginning with "#" does not match subpaths
    #4689: Ignore patterns in web UI aren't reloaded if only comments change
    #4701: Global is different from local state when ignoring files

Other issues:

    #4687: basicfs_watch_tests are flaky
    #4737: Remove KCP