chore: release v0.5.0

[mmacpherson]

Version bump for the v0.5.0 release. Highlights since v0.4.0:

CLI

• Inline icons in lucide search results: one row tall next to the name, in kitty/Ghostty/WezTerm — including inside tmux via passthrough (fix(cli): inline one-row icons in search results, with tmux passthrough #166)
• cairosvg ships with the [search] extra; actionable stderr tips when the terminal could show icons but something's missing (fix(cli): inline one-row icons in search results, with tmux passthrough #166)
• Percent match scores, first-run download notice, quieter hf_xet logging (feat(cli): document semantic search and clean up its first-run output #164)

Web app

• Search app now served at https://mmacpherson.github.io/python-lucide/ (root), /search/ redirects (feat(web): serve the search app at the site root #169)
• Browsable gallery + byte-accurate download progress while the model loads (feat(web): browsable gallery and download messaging while the model loads #162), FLIP transitions (feat(web): FLIP transitions between gallery, results, and view modes #163), q8 models with two-model consolidation (feat(web): q8 English models, default to Faster #158, feat: consolidate to two models — English | Multilingual #159), mobile layout fixes (fix(web): mobile portrait layout #157), assorted polish (feat(web): multilingual example chips when the multilingual model is active #155, feat(web): show python-lucide package version in the footer #156, fix(web): drop raw model name from meta row, lay-friendly popover intro #160, feat(web): link the header version badge to the Lucide release page #161)

Docs

• Semantic Search README section with web and terminal screenshots (feat(cli): document semantic search and clean up its first-run output #164, docs: web app screenshots in the semantic search README section #165, docs: show inline CLI icons with a real terminal screenshot #167, docs: match CLI screenshot to the command above it #168)

After merge: trigger the publish workflow to push to PyPI.

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