3.14.0 Bot mention

What's Changed

Support bot mention features:

• https://developers.line.biz/ja/news/2024/10/30/messaging-api-webhook/
• https://developers.line.biz/ja/news/2024/10/30/text-message-v2/

line-openapi updates

• Codes are generated by openapi generator by @github-actions in #687
• Codes are generated by openapi generator by @github-actions in #696

Dependency updates

• fix(deps): update dependency ch.qos.logback:logback-classic to v1.5.8 by @renovate in #670
• chore(deps): update dependency aiohttp to v3.10.6 by @renovate in #675
• chore(deps): update dependency aiohttp to v3.10.7 by @renovate in #676
• chore(deps): update dependency aiohttp to v3.10.8 by @renovate in #677
• chore(deps): update dependency aiohttp to v3.10.9 by @renovate in #678
• chore(deps): update dependency org.apache.maven.plugins:maven-surefire-plugin to v3.5.1 by @renovate in #679
• fix(deps): update dependency org.openapitools:openapi-generator to v7.9.0 by @renovate in #681
• fix(deps): update dependency ch.qos.logback:logback-classic to v1.5.9 by @renovate in #683
• fix(deps): update dependency ch.qos.logback:logback-classic to v1.5.11 by @renovate in #685
• chore(deps): update line-openapi digest to 4d9979b by @renovate in #688
• fix(deps): update dependency ch.qos.logback:logback-classic to v1.5.12 by @renovate in #690
• chore(deps): update line-openapi digest to 571a258 by @renovate in #693
• chore(deps): update line-openapi digest to 62e345e by @renovate in #695

Other Changes

• Relax version in requirement*.txt by @eucyt in #682
• Unsupport Python 3.8 by @eucyt in #684

Full Changelog: 3.13.0...3.14.0