2.0.0 Release Candidate 9

What's Changed

• Update SDK version in GraphConstants.php by @Ndiritu in #114
• Update CODEOWNERS with msgraph-devx-php-write by @MIchaelMainer in #115
• Bump test coverage. by @SilasKenneth in #106
• 2.0.0-RC9 by @Ndiritu in #117
• Support national clouds in authentication layer by @Ndiritu in #118
• Bump Graph Core version in GraphConstants by @Ndiritu in #119
• Release 2.0.0-RC9 by @Ndiritu in #120

New Contributors

• @MIchaelMainer made their first contribution in #115

Full Changelog: 2.0.0-RC8...2.0.0-RC9