Up Helm chart version to 1.2.0#500

vaughanknight merged 1 commit intoGreen-Software-Foundation:devGreen-Software-Foundation/carbon-aware-sdk:devfrom

YaSuenag:pr/helm-chart-version-v1.2.0YaSuenag/carbon-aware-sdk:pr/helm-chart-version-v1.2.0Copy head branch name to clipboard