MetaCG v0.9.0

What's Changed

Additions

• CGFormat by @sebastiankreutzer in #65
• File format v4 and big graph lib re-write by @sebastiankreutzer in #49
• Add support for global metadata by @sebastiankreutzer in #67

Changes

Graph library

• [NFC] Rename MetaCGReader to MCGReader by @silas-martens in #74

CMake / Build / Dependencies

• Fix PGIS regression due to cxxopts update by @pearzt in #72
• Update cxxopts to v3.3.1 by @pearzt in #68
• Don't install external nlohmann-json by @pearzt in #73
• Update to GoogleTest v1.17.0 by @pearzt in #70
• Update to spdlog v1.15.3 by @pearzt in #69
• [NFC] Always install spdlog, even when using an external json by @pearzt in #76

CI and Infrastructure

• Add graph formatting check to CI by @sebastiankreutzer in #66
• [Graph] Enable ctest testing by @jplehr in #78

Various changes

• Bump devel version to 0.9.0 by @pearzt in #64
• [NFC] Add common Spack environment paths to .gitignore by @pearzt in #71
• [NFC] Mention graph tools and PGIS deprecation in README, document file format update policy by @pearzt in #75
• Use fmt::vformat in LoggerUtil to fix problem in new spdlog with C++23 by @pearzt in #77
• MetaCG Release v0.9.0 by @pearzt in #79

Full Changelog: v0.8.0...v0.9.0