update version to 1.8.0 in package.json and package-lock.json#827

eleanorjboyd merged 2 commits intomicrosoft:mainmicrosoft/vscode-python-environments:mainfrom

eleanorjboyd:bump-release-1.8.0eleanorjboyd/vscode-python-environments:bump-release-1.8.0Copy head branch name to clipboard