docs: fix outdated links (#10040)

www/apps/book/app/learn/debugging-and-testing/testing-tools/integration-tests/api-routes/page.mdx

@@ -12,7 +12,7 @@ In this chapter, you'll learn how to write integration tests for API routes usin
   items={[
     {
       text: "Testing Tools Setup",
-      link: "/debugging-and-testing/testing-tools"
+      link: "/learn/debugging-and-testing/testing-tools"
     }
   ]}
 />

www/apps/book/app/learn/debugging-and-testing/testing-tools/integration-tests/workflows/page.mdx

@@ -12,7 +12,7 @@ In this chapter, you'll learn how to write integration tests for workflows using
   items={[
     {
       text: "Testing Tools Setup",
-      link: "/debugging-and-testing/testing-tools"
+      link: "/learn/debugging-and-testing/testing-tools"
     }
   ]}
 />

www/apps/book/app/learn/debugging-and-testing/testing-tools/modules-tests/module-example/page.mdx

@@ -12,7 +12,7 @@ In this chapter, find an example of writing an integration test for a module usi
   items={[
     {
       text: "Testing Tools Setup",
-      link: "/debugging-and-testing/testing-tools"
+      link: "/learn/debugging-and-testing/testing-tools"
     }
   ]}
 />

www/apps/book/app/learn/debugging-and-testing/testing-tools/modules-tests/page.mdx

@@ -12,7 +12,7 @@ In this chapter, you'll learn about the `moduleIntegrationTestRunner` utility fu
   items={[
     {
       text: "Testing Tools Setup",
-      link: "/debugging-and-testing/testing-tools"
+      link: "/learn/debugging-and-testing/testing-tools"
     }
   ]}
 />