chore: Update copyright year from 2025 to 2026 across core files

- Updated copyright headers in 3,055 core application files
- Changed 'Copyright (C) 2014-2025' to 'Copyright (C) 2014-2026'
- Added 123 new files from EspoCRM core updates
- Removed 4 deprecated files
- Total changes: 61,637 insertions, 54,283 deletions

This is a routine maintenance update for the new year 2026.

application/Espo/Resources/metadata/app/language.json

@@ -9,6 +9,7 @@
         "da_DK",
         "de_DE",
         "es_ES",
+        "el_GR",
         "hr_HR",
         "hu_HU",
         "fa_IR",
@@ -32,6 +33,7 @@
         "pt_BR",
         "pt_PT",
         "uk_UA",
+        "ur_IN",
         "vi_VN",
         "zh_CN",
         "zh_TW"