docs: fix documentation consistency across READMEs and wiki

- Fix DOCKER_README version badge: v1.1.1 → v1.2.0
- Update last updated dates to January 13, 2026

Author: neverinfamous

DOCKER_README.md

@@ -1,13 +1,13 @@
 # PostgreSQL MCP Server - Enhanced
 
-Last Updated January 12, 2026 - Production/Stable v1.2.0
+Last Updated January 13, 2026 - Production/Stable v1.2.0
 
 <!-- mcp-name: io.github.neverinfamous/postgres-mcp-server -->
 
 [![GitHub](https://img.shields.io/badge/GitHub-neverinfamous/postgres--mcp-blue?logo=github)](https://github.com/neverinfamous/postgres-mcp)
 [![Docker Pulls](https://img.shields.io/docker/pulls/writenotenow/postgres-mcp-enhanced)](https://hub.docker.com/r/writenotenow/postgres-mcp-enhanced)
 [![License: MIT](https://img.shields.io/badge/License-MIT-blue.svg)](https://opensource.org/licenses/MIT)
-![Version](https://img.shields.io/badge/version-v1.1.1-green)
+![Version](https://img.shields.io/badge/version-v1.2.0-green)
 ![Status](https://img.shields.io/badge/status-Production%2FStable-brightgreen)
 [![PyPI](https://img.shields.io/pypi/v/postgres-mcp-enhanced)](https://pypi.org/project/postgres-mcp-enhanced/)
 [![Security](https://img.shields.io/badge/Security-Enhanced-green.svg)](https://github.com/neverinfamous/postgres-mcp/blob/main/SECURITY.md)

README.md

@@ -1,6 +1,6 @@
 # PostgreSQL MCP Server - Enhanced
 
-Last Updated January 12, 2026 - Production/Stable v1.2.0
+Last Updated January 13, 2026 - Production/Stable v1.2.0
 
 <!-- mcp-name: io.github.neverinfamous/postgres-mcp-server -->