v2.1.5 - Deriving `Hash`, add correct header in requests, and chore

What's Changed

• feat: implement hash for types in check by @ModProg in #114
• chore: fix typos by @jayvdb in #115
• Correct Dependency Declaration in TOML by @BWStearns in #118
• chore(ci): codspeed and check changelog by @jeertmans in #121
• fix(lib): use .form instead of .query when relevant and added Accept: application/json header by @okaerin in #129
• chore(ci): add cargo release functionality by @okaerin in #130
• doc: fix release process doc by @okaerin in #133
• chore(dev): release languagetool-rust version 2.1.5 by @okaerin in #131

New Contributors

• @ModProg made their first contribution in #114
• @jayvdb made their first contribution in #115
• @BWStearns made their first contribution in #118
• @okaerin made their first contribution in #129

Full Changelog: v2.1.4...v2.1.5