[Docs] Fix FAQ links in issue templates (#485)

### Motivation


_[Explain here the context, and why you're making that change. What is
the problem you're trying to solve.]_

### Modifications

_[Describe the modifications you've made.]_

### Result

_[After your change, what will change.]_

### Test Plan

_[Describe the steps you took, or will take, to qualify the change -
such as adjusting tests and manual testing.]_

.github/ISSUE_TEMPLATE/config.yml

@@ -10,7 +10,7 @@ contact_links:
       Build, run, and experiment with sample projects that use Swift OpenAPI
       Generator and integrate with other packages in the ecosystem.
   - name: ✅ Take a look at the FAQ
-    url: https://swiftpackageindex.com/apple/swift-openapi-generator/documentation/swift-openapi-generator/useful-openapi-patterns
+    url: https://swiftpackageindex.com/apple/swift-openapi-generator/documentation/swift-openapi-generator/frequently-asked-questions
     about: >
       See solutions to commonly-asked questions and common workflows.
   - name: 🧩 Check the list of supported OpenAPI features

.github/ISSUE_TEMPLATE/support-request.yml

@@ -19,7 +19,7 @@ body:
         Please use this issue template to ask a question.
 
         You may also like to check out our
-        [FAQ](https://swiftpackageindex.com/apple/swift-openapi-generator/documentation/swift-openapi-generator/useful-openapi-patterns)
+        [FAQ](https://swiftpackageindex.com/apple/swift-openapi-generator/documentation/swift-openapi-generator/frequently-asked-questions)
         for solutions to frequently asked questions and common workflows.
   - type: textarea
     attributes: