5.2.0

What's Changed

• upgrade dart dependencies by @sensuikan1973 in #479
• Bump dependabot/fetch-metadata from 2 to 3 by @dependabot[bot] in #480
• upgrade dart dependencies by @sensuikan1973 in #481
• Bump softprops/action-gh-release from 2 to 3 by @dependabot[bot] in #482
• upgrade dart dependencies by @sensuikan1973 in #483
• Prepare for new Release 5.2.0 by @sensuikan1973 in #484

Full Changelog: 5.1.0...5.2.0