fix url quotes in setup.cfg metadata
fix url quotes in setup.cfg metadata

ddboline/pytest,nicoddemus/pytest,RonnyPfannschmidt/pytest,The-Compiler/pytest,Akasurde/pytest,tomviner/pytest,The-Compiler/pytest,txomon/pytest,pytest-dev/pytest,alfredodeza/pytest,tomviner/pytest,pfctdayelise/pytest,markshao/pytest,hackebrot/pytest,nicoddemus/pytest