fix typo in environment variable

fix typo in environment variable VAULES_YAML => VALUES_YAML

v0.1.6

Breaking

• the values option now uses --set instead of --set-string.
• new values_string option

v0.1.5

Drone-Helm3 0.1.5

v0.1.4

Drone-Helm3 0.1.4

v0.1.3

Drone-Helm3 0.1.3

v0.1.2

Drone-Helm3 0.1.2

v0.1.1

Drone-Helm3 0.1.1