Use underscore.

Author: purple4reina

ci/input_files/build.yaml.tpl

@@ -147,7 +147,7 @@ publish-layer-{{ $environment_name }} ({{ $runtime.name }}-{{ $runtime.arch }}):
     - if: '$CI_COMMIT_TAG =~ /^v.*/'
   artifacts:
     reports:
-      dotenv: layer-version
+      dotenv: layer_version
   needs:
 {{ if or (eq $environment_name "prod") }}
       - sign-layer ({{ $runtime.name }}-{{ $runtime.arch}})
@@ -174,7 +174,7 @@ publish-layer-{{ $environment_name }} ({{ $runtime.name }}-{{ $runtime.arch }}):
   script:
     - STAGE={{ $environment_name }} PYTHON_VERSION={{ $runtime.python_version }} ARCH={{ $runtime.arch }} ./ci/publish_layers.sh | tee publish.log
     # Extract the arn from the publish log to be used as envvar in e2e tests
-    - echo "PYTHON_{{ $runtime.python_version }}_VERSION=$(grep -oP 'Published arn \K\.*' publish.log)" > layer-version
+    - echo "PYTHON_{{ $runtime.python_version }}_VERSION=$(grep -oP 'Published arn \K\.*' publish.log)" > layer_version
 
 {{- end }}