Update cargo installations with:

cargo install meli

Highlights:

• added pipe-attachment command
• added sample scripts for using meli as a mailto scheme handler in contrib/
• fixed GPG encryption with libgpgme

Contributors in alphabetical order:

• Manos Pitsidianakis
• Matthias Geiger

Added

• 5e77821f mail/view: add pipe-attachment command in PR #540 "mail/view: add pipe-attachment command"
• fa896f6b contrib: add mailto: scheme handler scripts
• 00ce9660 melib/backends: add as_any/as_any_mut methods to BackendMailbox
• fd243fa5 maildir: add mailbox creation tests
• de65eec3 meli/accounts: add mailbox_by_path() tests in PR #535 "Rework maildir mailbox path logic, add tests"
• 6b363601 melib/gpgme: impl Display for gpgme::Key

Bug Fixes

• 60c90d75 melib/attachments: ensure MIME boundary prefixed with CRLF
• 3433c5c3 compose/pgp: rewrite key selection logic in PR #541 "More gpgme/PGP fixes again"
• 12de82e7 melib/conf: fix mutt_alias_file not being validated in PR #550 "Remove sealed_test dependency"
• c8e055a7 Fix version migrations being triggered backwards in PR #557 "Fix version migrations being triggered backwards"
• efab99fd terminal: check for NO_COLOR env var without unicode validation
• 36a63e88 melib/maildir: rewrite create_mailbox()
• fcab855f view: ensure envelope headers are always populated in PR #538 "view: ensure envelope headers are always populated"
• 84564f44 mailcap: don't drop File before opening it in PR #552 "mailcap: don't drop File before opening it"

Changes

• ed85da51 Remove sealed_test dependency

Refactoring

• 03df2ac1 meli/utilities: add print utilities for tests
• 18e9d5c1 conf.rs: impl Frommelib::AccountSettings for AccountConf
• 1f2fec19 Fix 1.83.0 lints in PR #536 "CI: Add action to check for DCO signoffs in PRs"
• 192ecea2 compose/gpg.rs: Fix msrv regression

Documentation

• 4a61a4b8 melib: include README.md as preamble of crate rustdocs
• 80e53471 BUILD.md: move melib specific stuff to melib/README.md
• 91a17ece melib/README.md: mention sqlite3-static feature
• b77a691b meli/README.md: Add cargo features section in PR #549 "Document cargo features in READMEs"
• 91dc271d contrib: add a README.md file
• 2e900be6 contrib/README.md: add section about oauth2.py
• 07812d2c contrib/README.md: elaborate a bit about mailto in PR #545 "Add external mailto: handler support via scripts in contrib"
• e784e8d2 scripts: add markdown_doc_lints.py

Continuous Integration

• 77629851 CI: Add action to check for DCO signoffs in PRs
• f944ebed CI: Add error msg when cargo-derivefmt check fails
• d49344f9 CI: Move MSRV checks from manifest to lints in PR #553 "ci-workflow-fixes"
• ece6bfc2 CI: non-zero exit if cargo-derivefmt-* targets fail
• 2257b91b CI: add actions/cache steps in PR #554 "CI: add actions/cache steps"
• a1c9524f CI: fix check_dco.sh not working with other repos in PR #555 "CI: fix check_dco.sh not working with other repos"