Release v1.30.0

What's Changed

• Allow conditions in foreach by @kddejong in #4009
• Allow _ in condition names by @kddejong in #4008
• Remove experimental from W3037 by @kddejong in #3680
• Add in pattern for CodePipeline action names by @kddejong in #4012
• Support GetAtts for nested stacks and outputs by @kddejong in #4011
• Add rule I2003 to validate AllowedPattern by @kddejong in #4013
• Validate identity base SIDs by @kddejong in #4016

Full Changelog: v1.29.1...v1.30.0