Add matrix build

[mjhouse]

Changes

• Removed dependency of rstest to speed up build
• Updated validation workflow to run matrix builds and tests
• Updated testing workflow to run matrix builds and tests

Matrix

The matrix builds cross compiled binaries on three different platforms (Windows, Linux, and MacOS) for seven total targets (each build platform, x86_64/32, and ARM64/32). Tests are run for each of the build platforms but not for the cross compiled builds.

host system	target system	ran tests?
Ubuntu	Ubuntu	Yes
Ubuntu	Linux x86_64	No
Ubuntu	Linux x86_32	No
Ubuntu	Linux ARM64	No
Ubuntu	Linux ARM32	No
Windows	Windows	Yes
Windows	Linux x86_64	No
Windows	Linux x86_32	No
Windows	Linux ARM64	No
Windows	Linux ARM32	No
MacOS	MacOS	Yes
MacOS	Linux x86_64	No
MacOS	Linux x86_32	No
MacOS	Linux ARM64	No
MacOS	Linux ARM32	No

[github-actions]

Coverage

File	Coverage
All files	99%	✅
src/message/packets.rs	100%	✅
src/errors.rs	100%	✅
src/word/words.rs	100%	✅
src/fields.rs	100%	✅
src/message/messages.rs	99%	✅
src/word/enums.rs	100%	✅
src/flags.rs	100%	✅

Minimum allowed coverage is 95%

Generated by 🐒 cobertura-action against 1a54b34