Update TEST_VERSION to v0.0.3-alpha.4 in CI configuration

Author: janb84

.github/workflows/ci.yml

@@ -96,7 +96,7 @@ jobs:
             platform: linux_amd64
 
     env:
-      TEST_VERSION: '0.0.2'
+      TEST_VERSION: 'v0.0.3-alpha.4'
       TEST_REPO: 'stringintech/kernel-bindings-tests'
       TEST_DIR: '.conformance-tests'