v0.15.0

What's Changed

• Suppresses warnings about obsolete SslStream properties by @joshkempner in #203
• Adds nullability awareness and implicit usings by @joshkempner in #205
• Fixes flaky tests that don't need to be in a Collection. by @joshkempner in #207
• Multiple NuGet package updates by @joshkempner in #206
• PS scripts update nuspec refs in net10 section by @joshkempner in #208
• Bumps version to 0.15.0 by @joshkempner in #209

The addition of nullability awareness includes multiple breaking changes. See the relevant commits for details.

Full Changelog: v0.14.2...v0.15.0