Release v6.2.0

What's Changed

• Bump composer/semver from 3.4.0 to 3.4.2 in /modules/btcpay by @dependabot in #141
• Bump squizlabs/php_codesniffer from 3.10.1 to 3.10.2 by @dependabot in #142
• Bump stechstudio/backoff from 1.3 to 1.4 in /modules/btcpay by @dependabot in #144
• Bump twig/twig from 3.10.3 to 3.11.1 by @dependabot in #145
• Bump twig/twig from 3.10.3 to 3.11.1 in /modules/btcpay by @dependabot in #146
• Bump btcpayserver/btcpayserver-greenfield-php from 2.6.0 to 2.7.0 in /modules/btcpay by @dependabot in #148
• Updated all dependencies by @BitcoinMitchell in #147

Full Changelog: v6.1.5...v6.2.0