v2.2.0

What's Changed

• Add the ability to set Content-ID header for ParamPart by @ethnt in #62
• Add note on semantic versioning to README by @jspanjers in #64
• Refactor parts into multipart post namespace by @patrickdavey in #65
• Add Patrick Davey to the copyright by @patrickdavey in #66
• CI: add 2.7 by @olleolleolle in #67
• Explain setting parts_headers in README by @Timothyjb in #68
• CI GitHub actions by @Lewiscowles1986 in #72
• parts.rb: Use a mutable string by @olleolleolle in #70
• README: Use build status badge for GitHub Actions by @olleolleolle in #74
• cleanup: Drop unused Travis CI configuration file by @olleolleolle in #73
• Frozen string for entire library by @Lewiscowles1986 in #75
• Use frozen_string_literal: true. by @ioquatix in #78
• CI: Add Ruby 3.1 to testing matrix by @olleolleolle in #80
• Add a CHANGELOG.md by @olleolleolle in #84
• README: Add syntax highlighting to examples by @olleolleolle in #83
• Allow mixed key types for parts headers by @jasonyork in #79
• Modernize gem. by @ioquatix in #85
• CHANGELOG: add #79 by @olleolleolle in #88
• Rework file structure & license header. by @ioquatix in #89
• Add faraday-multipart as external test. by @ioquatix in #90
• Add more external tests. by @ioquatix in #91

New Contributors

• @ethnt made their first contribution in #62
• @jspanjers made their first contribution in #64
• @patrickdavey made their first contribution in #65
• @Timothyjb made their first contribution in #68
• @Lewiscowles1986 made their first contribution in #72
• @ioquatix made their first contribution in #78
• @jasonyork made their first contribution in #79

Full Changelog: v2.1.1...v2.2.0