v1.9.0 release

What's Changed

• fix redis distributed lock for different process by @DisenkoArt in #446
• DiskCache supports custom serializers by @Memoyu in #450
• RedisCache configure code-only configuration for StackExchange.Redis by @Memoyu in #452
• Remove ConfigurationOptions to string in RedisCaching by @Memoyu in #454
• Support configure code-only configuration for StackExchange.Redis bus by @Memoyu in #453
• Fix wrong injection method name on EasyCachingOptionsExtensions by @Memoyu in #456
• Using sync version of subscribe in HybridCachingProvider by @Memoyu in #455
• fixed the warning xUnit1013 (#457) by @Memoyu in #458
• Fixed some warning by @Memoyu in #459
• Update version to 1.9.0 by @Memoyu in #460

New Contributors

• @DisenkoArt made their first contribution in #446
• @Memoyu made their first contribution in #450

Full Changelog: v1.8.0...v1.9.0