Update leftover URL references (#14)

Follow-up to #13

Author: gabrielfeo

README.md

@@ -16,7 +16,7 @@ api.getBuilds(since = yesterday).forEach {
 
 Set up once and use the library from any script in your machine:
 
-- [`GRADLE_ENTERPRISE_URL`][16] environment variable: the URL of your Gradle Enterprise instance
+- [`GRADLE_ENTERPRISE_API_URL`][16] environment variable: the URL of your Gradle Enterprise instance
 - [`GRADLE_ENTERPRISE_API_TOKEN`][17] environment variable: an API access token for the Gradle
   Enterprise instance. Alternatively, can be a macOS keychain entry labeled
   `gradle-enterprise-api-token` (recommended).
@@ -128,5 +128,5 @@ API classes such as `GradleEnterpriseApi` and response models are generated from
 [13]: https://gabrielfeo.github.io/gradle-enterprise-api-kotlin/gradle-enterprise-api-kotlin/com.gabrielfeo.gradle.enterprise.api/-options/-cache/index.html
 [14]: https://jitpack.io/#gabrielfeo/gradle-enterprise-api-kotlin
 [15]: https://gabrielfeo.github.io/gradle-enterprise-api-kotlin/
-[16]: https://gabrielfeo.github.io/gradle-enterprise-api-kotlin/gradle-enterprise-api-kotlin/com.gabrielfeo.gradle.enterprise.api/-options/-gradle-enterprise-instance/index.html#-570175362%2FProperties%2F769193423
+[16]: https://gabrielfeo.github.io/gradle-enterprise-api-kotlin/gradle-enterprise-api-kotlin/com.gabrielfeo.gradle.enterprise.api/-options/-gradle-enterprise-instance-options/index.html#-259580834%2FProperties%2F769193423
 [17]: https://gabrielfeo.github.io/gradle-enterprise-api-kotlin/gradle-enterprise-api-kotlin/com.gabrielfeo.gradle.enterprise.api/-options/-gradle-enterprise-instance/index.html#2124126004%2FProperties%2F769193423

src/test/kotlin/com/gabrielfeo/gradle/enterprise/api/OkHttpClientTest.kt

@@ -68,8 +68,8 @@ class OkHttpClientTest {
         val env = FakeEnv(*envVars)
         if ("GRADLE_ENTERPRISE_API_TOKEN" !in env)
             env["GRADLE_ENTERPRISE_API_TOKEN"] = "example-token"
-        if ("GRADLE_ENTERPRISE_URL" !in env)
-            env["GRADLE_ENTERPRISE_URL"] = "example-url"
+        if ("GRADLE_ENTERPRISE_API_URL" !in env)
+            env["GRADLE_ENTERPRISE_API_URL"] = "example-url"
         return buildOkHttpClient(Options(env, FakeKeychain()))
     }
-}
+}