chore: update Python version from 3.13.2 to 3.13.5 in documentation

Update the Python version in the CONTRIBUTING.md and DOCKER.md files to 3.13.5. This ensures that the documentation reflects the latest stable version of Python being used in the project, which may include important bug fixes and improvements. Keeping the Python version up-to-date helps maintain compatibility and security across development and production environments.

Author: kzndotsh

.github/CONTRIBUTING.md

@@ -63,11 +63,11 @@ Follow these steps to set up your local development environment. For more compre
 
 2. **Install Dependencies with Poetry**
 
-    Ensure Poetry is installed and configured to use the correct Python version (e.g., 3.13.2).
+    Ensure Poetry is installed and configured to use the correct Python version (e.g., 3.13.5).
 
     ```bash
     # Create a virtual environment
-    poetry env use 3.13.2
+    poetry env use 3.13.5
 
     # Install project dependencies and dev tools
     poetry install

DOCKER.md

@@ -168,10 +168,10 @@ All tests validate against configurable thresholds:
 ### **Multi-Stage Dockerfile**
 
 ```dockerfile
-FROM python:3.13.2-slim AS base       # Common runtime base
+FROM python:3.13.5-slim AS base       # Common runtime base
 FROM base AS build                    # Build dependencies & tools
 FROM build AS dev                     # Development environment
-FROM python:3.13.2-slim AS production # Minimal production runtime
+FROM python:3.13.5-slim AS production # Minimal production runtime
 ```
 
 ### **Key Features**
@@ -523,7 +523,7 @@ docker system df
 docker images
 
 # Manual image restoration if needed
-docker pull python:3.13.2-slim
+docker pull python:3.13.5-slim
 docker pull ubuntu:22.04
 ```