Set proxy name based on target environment

Author: stevebux

.github/actions/acceptance-tests/action.yml

@@ -103,7 +103,12 @@ runs:
       run: |
         echo "$SUPPLIER_API_PRIVATE_KEY" > "${GITHUB_WORKSPACE}/internal-dev-test-1.pem"
         chmod 600 "${GITHUB_WORKSPACE}/internal-dev-test-1.pem"
-        export PROXY_NAME=nhs-notify-supplier--internal-dev--nhs-notify-supplier
+        BASE_PROXY_NAME=nhs-notify-supplier--internal-dev--nhs-notify-supplier
+        if [[ "${{ inputs.targetEnvironment }}" == "main" ]]; then
+          export PROXY_NAME="${BASE_PROXY_NAME}"
+        else
+          export PROXY_NAME="${BASE_PROXY_NAME}-${{ inputs.targetEnvironment }}"
+        fi
         export API_ENVIRONMENT=internal-dev
         export NON_PROD_API_KEY="${APIM_API_KEY}"
         export STATUS_ENDPOINT_API_KEY="${APIM_STATUS_API_KEY}"