update renovate regex to optionally skip comments in values.yaml

See Fork MR for values.yaml fix: snekcode/argocd!2 (diffs)

See Fork Renovate.json used by renovate: https://repo1.dso.mil/snekcode/argocd/-/blob/main/renovate.json#L23

image:\\s+(?:#.*\\n\\s+)?repository:\\s+[^/]+/(?<depName>.+)\\s+(?:#.*\\n\\s+)tag:\\s+(?<currentValue>.+)

Added (?:#.*\\n\\s+) matches an optional non-capturing group that begins with a "#" character followed by any number of characters until the end of the line, and then one or more whitespace characters.

Closes #75 (closed)