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>

includes/schema/organization-schema.php

@@ -22,7 +22,7 @@ $organizationSchema = [
     ],
     'image' => 'https://ukdataservices.co.uk/assets/images/ukds-main-logo.png',
     'description' => 'Enterprise web scraping and data analytics services for UK businesses. Specialising in competitive intelligence, price monitoring, and GDPR-compliant data extraction.',
-    'telephone' => '+44 1692 689150',
+    'telephone' => '',
     'email' => 'info@ukdataservices.co.uk',
     'address' => [
         '@type' => 'PostalAddress',
@@ -70,7 +70,7 @@ $organizationSchema = [
     'contactPoint' => [
         [
             '@type' => 'ContactPoint',
-            'telephone' => '+44 1692 689150',
+            'telephone' => '',
             'contactType' => 'sales',
             'availableLanguage' => 'English',
             'areaServed' => 'GB',