CompatHelper: add new compat entry for "HTTP" at version "0.9"#4

PyDataBlog merged 2 commits into

masterPyDataBlog/PolygonIO.jl:masterfrom

compathelper/new_version/2021-06-30-00-20-38-316-271266532PyDataBlog/PolygonIO.jl:compathelper/new_version/2021-06-30-00-20-38-316-271266532Copy head branch name to clipboard