Merge branch 'master' into test-1.4.x

Author: simonjayhawkins

.gitmodules

@@ -1,6 +1,6 @@
 [submodule "pandas"]
 	path = pandas
-	url = git://github.com/pandas-dev/pandas.git
+	url = https://github.com/pandas-dev/pandas.git
 [submodule "multibuild"]
 	path = multibuild
 	url = https://github.com/multi-build/multibuild.git

config.sh

@@ -28,6 +28,8 @@ function run_tests {
     echo $PATH
     echo ${MB_PYTHON_VERSION}
     which -a python
+    # Pin setuptools < 60
+    pip install "setuptools<60"
     pip list
     python -c 'import pandas; pandas.show_versions()'
     # Skip test_float_precision_options: https://github.com/pandas-dev/pandas/issues/36429