Revert "update the oci_package_name to datadog-apm-library-nginx (#374)" (#379)

This reverts commit c63cf33.

Author: pawelchcki

.gitlab-ci.yml

@@ -17,7 +17,7 @@ include:
   - local: ".gitlab/one-pipeline.locked.yml"
 
 variables:
-  OCI_PACKAGE_NAME: datadog-apm-library-nginx
+  OCI_PACKAGE_NAME: datadog-nginx-ssi
   OCI_AGENT_REGISTRY_PACKAGE_NAME: apm-library-nginx-package
   AGENT_REPO_PRODUCT_NAME: auto_inject-nginx
   LIB_INJECTION_NAME: dd-lib-nginx-init