feat(i18n): complete Turkish (tr) translations (calcom#28441)

* feat(i18n): complete Turkish (tr) translations

* fix(i18n): fix nested objects and missing placeholders in Turkish translations

- Move booking_audit_action dotted keys into existing nested object
- Move busy_time dotted keys into proper nested object
- Restore missing {{appName}}, {{item}}, {{count}}, {{success}}, {{failed}} placeholders
- Replace ICU plural format with i18next {{variable}} format

* nits

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Co-authored-by: Romit <85230081+romitg2@users.noreply.github.com>
Co-authored-by: Romit <romitgabani1.work@gmail.com>

Author: aryabyte21