v0.4.0

What's Changed

• Recursively glob for PDFs when passed directories by @janosh in #18
• Fix replacing original files with wrong compressed files when handling >10 files at once by @janosh in #20
• main() add flag --write-stats: takes path for writing file with size reduction stats by @janosh in #21
• Split main() into compress() and leaner main() function by @janosh in #23
• ruff fixes by @janosh in #24
• Add CLI flags --password and --outdir by @janosh in #26

Full Changelog: v0.3.0...v0.4.0