Translations update from Opengist (#398)

* Translated using Weblate (Chinese (Simplified Han script))

Currently translated at 100.0% (281 of 281 strings)

Translation: Opengist/Opengist
Translate-URL: http://tr.opengist.io/projects/_/opengist/zh_Hans/

* Translated using Weblate (Polish)

Currently translated at 100.0% (281 of 281 strings)

Translation: Opengist/Opengist
Translate-URL: http://tr.opengist.io/projects/_/opengist/pl/

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Co-authored-by: GabrielxD <gabrielxduo@outlook.com>
Co-authored-by: GGORG <GGORG0@protonmail.com>

internal/i18n/locales/pl_PL.yml

@@ -304,3 +304,4 @@ validation.not-enough: 'Nie wystarczająco %s'
 validation.invalid: 'Niepoprawny %s'
 
 html.title.admin-panel: 'Panel administracyjny'
+admin.invitations.delete_confirm: Czy chcesz usunąć to zaproszenie?

internal/i18n/locales/zh-CN.yml

@@ -294,3 +294,4 @@ auth.totp.code: 代码
 auth.totp.submit: 提交
 auth.totp.proceed: 继续
 auth.totp.save-recovery-codes: 请将您的恢复代码保存在安全的地方。在您无法访问身份验证应用程序时，可以使用这些代码恢复访问。
+admin.invitations.delete_confirm: 您想要删除此邀请吗？