JanetRS v0.6.0

Changes

• BREAKING: Feat: Conditionally expose JanetFile "piped" flag (PIPED was removed in Janet 1.22.0)
• BREAKING: Refactor: Changed definition of IsJanetAbstract trait
• BREAKING: Refactor: Changed the return type of JanetAbstract::get{_mut, _unchecked, _unchecked_mut}
• BREAKING: Feat: Move everything possible to C-unwind
• BREAKING: Up Minimum Rust version to 1.71.0
• Feat: Add additional implementation of From implementation for
  JanetBuffer, JanetArray and JanetTable
• Feat: Expose JanetBuffer methods that use CStr on no_std environment
• Feat: Expose JanetFile "update" flag
• Feat: Expose more of the String-like types API on no_std environment
• Feat: Add method can_resume for JanetFiber
• Refactor: Simplify the tuple! and structs! macros
• Refactor: Simplify a few PartialEq implementations
• Refactor: Simplify JanetStruct implementation of Clone
• Refactor: Adapt lifetimes to changes on bstr crate
• Refactor: Modernize format strings
• Fix: Fix compilation when unicode feature os off
• Fix: Fix check_mut_ref on janet_fn attribute macro
• Fix: Fix linking on non x86_64 targets
• Docs: Improve documentation flags
• Docs: Simplify links
• CI: Many CI improvements