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/i18n/ur_IN/ExternalAccount.json

@@ -0,0 +1,11 @@
+{
+  "labels": {
+    "Connect": "جڑیں",
+    "Connected": "منسلک",
+    "Disconnect": "منقطع",
+    "Disconnected": "منقطع"
+  },
+  "messages": {
+    "externalAccountNoConnectDisabled": "انضمام کے لئے بیرونی اکاؤنٹ '{انضمام}' کو مربوط کرنے کے قابل نہ ہونے کی وجہ سے غیر فعال کردیا گیا ہے۔"
+  }
+}