update changelog
update changelog

ryanluker/vscode-coverage-gutters,ryanluker/vscode-coverage-gutters,ryanluker/vscode-coverage-gutters,ryanluker/vscode-coverage-gutters,ryanluker/vscode-coverage-gutters,ryanluker/vscode-coverage-gutters,ryanluker/vscode-coverage-gutters,ryanluker/vscode-coverage-gutters,ryanluker/vscode-coverage-gutters