Change hardcoded references to "chart/values.yaml" and "tests/ci/k3d/values.yaml" to variables
Closes https://repo1.dso.mil/platform-one/big-bang/bigbang/-/issues/597
Adds variables with the following values and changes existing hardcoded values to reference them:
VALUES_FILE: chart/values.yaml CI_VALUES_FILE: tests/ci/k3d/values.yaml
Edited by Brendon Lloyd