chore: updated git sub module to point to spec repo containing the tests definitions

Signed-off-by: Bernd Warmuth <[email protected]>

Author: Bernd Warmuth

.gitmodules

@@ -1,3 +1,3 @@
-[submodule "test-harness"]
-	path = test-harness
-	url = https://github.com/open-feature/test-harness
+[submodule "spec"]
+	path = spec
+	url = https://github.com/open-feature/spec/

CONTRIBUTING.md

@@ -23,7 +23,7 @@ If you're adding tests to cover something in the spec, use the `@Specification`
 
 ## End-to-End Tests
 
-The continuous integration runs a set of [gherkin e2e tests](https://github.com/open-feature/test-harness/blob/main/features/evaluation.feature) using `InMemoryProvider`.
+The continuous integration runs a set of [gherkin e2e tests](https://github.com/open-feature/spec/blob/main/specification/assets/gherkin/evaluation.feature) using `InMemoryProvider`.
 
 to run alone:
 ```

pom.xml

@@ -554,22 +554,21 @@
                     <argument>submodule</argument>
                     <argument>update</argument>
                     <argument>--init</argument>
-                    <argument>test-harness</argument>
+                    <argument>spec</argument>
                   </arguments>
                 </configuration>
               </execution>
               <execution>
-                <id>copy-gherkin-tests</id>
+                <id>copy-evaluation-gherkin-tests</id>
                 <phase>validate</phase>
                 <goals>
                   <goal>exec</goal>
                 </goals>
                 <configuration>
                   <!-- copy the feature spec we want to test into resources so them can be easily loaded -->
-                  <!-- run: cp test-harness/features/evaluation.feature src/test/resources/features/ -->
                   <executable>cp</executable>
                   <arguments>
-                    <argument>test-harness/features/evaluation.feature</argument>
+                    <argument>spec/specification/assets/gherkin/evaluation.feature</argument>
                     <argument>src/test/resources/features/</argument>
                   </arguments>
                 </configuration>