fix(deps): update dependency yahnis-elsts/plugin-update-checker to v5.7

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
yahnis-elsts/plugin-update-checker	5.6 → 5.7

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Release Notes

YahnisElsts/plugin-update-checker (yahnis-elsts/plugin-update-checker)

v5.7: 5.7

Compare Source

• Added optional support for the "autoupdate" field that allows triggering unattended plugin updates. To enable it, you need to both set autoupdate to true in plugin update metadata and call $updateChceker->allowAutoupdateField() in your plugin. Props to @​hisman for part of the implementation.
• BitBucket: Added support for basic auth with API tokens. Props to @​cristianozanca for part of the implementation.
• BitBucket: Removed OAuth 1 support since it's no longer supported by BitBucket.
• Replaced all htmlentities() calls with esc_html(). This takes advantage of automatic character set detection in WP core, and should eliminate some static analysis warnings. See #​597.
• Replaced all wp_redirect() calls with wp_safe_redirect(). This shouldn't matter in practice since PUC only ever does internal redirects, but it pacifies some static analysis tools. See #​597.
• Added and updated translations:
  • Persian (@​aljvdi)
  • Simplified Chinese (zh_CN, @​seatonjiang)
  • Traditional Chinese (zh_TW, @​alexclassroom)

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