SEO fixes: author bylines, 2025 dates, phone removal, case studies, Companies House

- Assign named authors to all 14 blog articles that defaulted to Editorial Team
- Replace team-based author labels (DevOps Team, Legal Team etc) with named authors
- Update 2025 -> 2026 in ecommerce trends, buyers guide, and python pipeline titles
- Remove phone number (01692 Norfolk) from all pages and schema
- Anonymise unverifiable case study clients (TechElectronics UK, Heritage Bank UK)
- Add clickable Companies House link (08576932) to footer

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

faq-enhanced.php

@@ -539,7 +539,7 @@ $keywords = "UK data services FAQ, web scraping questions, data cleaning help, b
                         <span class="contact-icon">📞</span>
                         <div>
                             <strong>Call Us</strong>
-                            <p><a href="tel:+441692689150">+44 1692 689150</a></p>
+                            <p><a href="tel:"></a></p>
                         </div>
                     </div>
                     <div class="contact-option">