chore: release 2.15.0

[github-actions[bot]]

:robot: I have created a release beep boop

2.15.0 (2024-06-18)

Features

• iftop: -G, -s, -L, and -o arg (non-)completions (35293af)
• java: enable .java filename completion for java command (959ce82), closes #1196
• kata-runtime: add 3rd party fallback completion loader (5ff8055)
• nerdctl: add 3rd party fallback completion loader (cf0591a)
• python,pyvenv: versioned 3.13 executable support (3039122)
• set: more featureful completion (1cb3eae)
• sops: add 3rd party fallback completion loader (47af482)
• todoist: add 3rd party fallback completion loader (75f5d26)
• xxd: add -n, -o, and -R arg (non-)completions (8304d33)

Bug Fixes

• _comp_expand_glob: set LC_COLLATE for the sorting order (ce98f68)
• _comp_expand_glob: work around GLOBSORT in Bash 5.3 (0fda821)
• compatdir: use _comp_expand_glob for the correct order (51e680a)

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