Release version 1.2.2 - Admin UI bugfixes for variations

Fixed three bugs in variation pricing interface:
- Removed table borders for variation pricing to match WooCommerce UI style
- Added missing translations (Min Quantity, Price, Label) to all language files
- Fixed restrict_to_packages checkbox rendering in variation fields

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

assets/css/admin.css

@@ -36,6 +36,19 @@
     text-align: left;
 }
 
+/* Remove borders for variation pricing tables to match WooCommerce variation UI style */
+.wc-tpp-variation-pricing .wc-tpp-tiers-table,
+.wc-tpp-variation-pricing .wc-tpp-packages-table {
+    border: none;
+}
+
+.wc-tpp-variation-pricing .wc-tpp-tiers-table th,
+.wc-tpp-variation-pricing .wc-tpp-packages-table th,
+.wc-tpp-variation-pricing .wc-tpp-tiers-table td,
+.wc-tpp-variation-pricing .wc-tpp-packages-table td {
+    border: none;
+}
+
 /* Table row styling - rows are now <tr> elements in a table */
 .wc-tpp-tier-row,
 .wc-tpp-package-row {