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>

case-studies/index.php

@@ -129,7 +129,7 @@ $keywords = "UK data services case studies, client success stories, data transfo
             "jobTitle": "Commercial Director",
             "worksFor": {
                 "@type": "Organization",
-                "name": "TechElectronics UK"
+                "name": "UK Electronics Retailer (client name withheld)"
             }
         },
         "reviewBody": "UK Data Services transformed our pricing strategy completely. We now have real-time visibility into competitor pricing and can react instantly to market changes. The ROI was evident within the first month.",
@@ -267,7 +267,7 @@ $keywords = "UK data services case studies, client success stories, data transfo
                             <p>"UK Data Services transformed our pricing strategy completely. We now have real-time visibility into competitor pricing and can react instantly to market changes. The ROI was evident within the first month."</p>
                             <cite>
                                 <strong>Sarah Thompson</strong><br>
-                                <span>Commercial Director, TechElectronics UK</span>
+                                <span>Commercial Director, UK Electronics Retailer (client name withheld)</span>
                             </cite>
                         </blockquote>
                     </div>
@@ -356,7 +356,7 @@ $keywords = "UK data services case studies, client success stories, data transfo
                             <p>"The migration was flawless. Our customers didn't experience any disruption, and we now have a modern, scalable platform that supports our growth plans."</p>
                             <cite>
                                 <strong>Michael Davies</strong><br>
-                                <span>CTO, Heritage Bank UK</span>
+                                <span>CTO, UK Financial Services Provider (client name withheld)</span>
                             </cite>
                         </blockquote>
                     </div>