1.8.1

This release of string_view lite contains the following fixes and changes.

Fixes

• Remove cause of "whitespace in literal operator" warning in Clang 20 (#61, thanks @striezel)

Changes

• Fix failing Clang builds on GitHub Actions (#59, thanks @striezel)
• Add experimental workflow for Clang 20 (#60, thanks @striezel)
• Add windows-2025 to test matrix (nonstd-lite issue 86).
• Remove windows-2019 from GitHub workflow (nonstd-lite issue 76).
• Remove AppVeyor badge and workflow (nonstd-lite issue 79).
• Bump GitHub checkout action to v6 (nonstd-lite issue 85).
• Increment minimum required CMake version to 3.15 (nonstd-lite issue 73).

Full Changelog: v1.8.0...v1.8.1