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>

index.php

@@ -175,7 +175,7 @@ $twitter_card_image = "https://ukdataservices.co.uk/assets/images/ukds-social-ca
         "contactPoint": [
             {
                 "@type": "ContactPoint",
-                "telephone": "+44-1692-689150",
+                
                 "contactType": "Customer Service",
                 "areaServed": "GB",
                 "availableLanguage": "English",
@@ -1003,7 +1003,7 @@ $twitter_card_image = "https://ukdataservices.co.uk/assets/images/ukds-social-ca
                             <img src="assets/images/icon-phone.svg" alt="Business telephone icon for direct customer contact and consultation booking" loading="lazy" width="40" height="40">
                             <div>
                                 <strong>Direct Line</strong>
-                                <p><a href="tel:+441692689150">+44 1692 689150</a></p>
+                                <p><a href="tel:"></a></p>
                             </div>
                         </div>