chore: add VWO OpenFeature Provider for Go (#1294)

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## This PR
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- Added VWO OpenFeature Provider for Go
Documentation -
https://developers.vwo.com/v2/docs/openfeature-providers#/

  Added the following providers to the list:
* Go (server)
https://developers.vwo.com/v2/docs/go-openfeature-provider#/

- Update PHP `vendorOfficial` to be `true` as others.


### How to test
<!-- if applicable, add testing instructions under this section -->
Screenshot of local testing:

<img width="1440" height="778" alt="Screenshot 2025-11-07 at 5 28 28 PM"
src="https://github.com/user-attachments/assets/763529d7-d439-4e38-a85a-fbaf2b68fdcf"
/>

Signed-off-by: softvar <[email protected]>

Author: softvar

src/datasets/providers/vwo.ts

@@ -25,7 +25,7 @@ export const VWO: Provider = {
     },
     {
       technology: 'PHP',
-      vendorOfficial: false,
+      vendorOfficial: true,
       href: 'https://github.com/wingify/vwo-openfeature-provider-php',
       category: ['Server'],
     },
@@ -35,5 +35,11 @@ export const VWO: Provider = {
       href: 'https://github.com/wingify/vwo-openfeature-provider-python',
       category: ['Server'],
     },
+    {
+      technology: 'Go',
+      vendorOfficial: true,
+      href: 'https://github.com/wingify/vwo-openfeature-provider-go',
+      category: ['Server'],
+    }
   ],
 };