Updated instances of http to https. pvlib#1457

Author: PrajwalBorkar

pvlib/tests/iotools/test_sodapro.py

@@ -209,7 +209,7 @@ def test_get_cams(requests_mock, testfile, index, columns, values, dtypes,
         mock_response = test_file.read()
     # Specify the full URI of a specific example, this ensures that all of the
     # inputs are passing on correctly
-    url_test_cams = f'http://www.soda-is.com/service/wps?DataInputs=latitude=55.7906;longitude=12.5251;altitude=80;date_begin=2020-01-01;date_end=2020-05-04;time_ref=UT;summarization=P01M;username=pvlib-admin%2540googlegroups.com;verbose=false&Service=WPS&Request=Execute&Identifier=get_{identifier}&version=1.0.0&RawDataOutput=irradiation'  # noqa: E501
+    url_test_cams = f'https://www.soda-is.com/service/wps?DataInputs=latitude=55.7906;longitude=12.5251;altitude=80;date_begin=2020-01-01;date_end=2020-05-04;time_ref=UT;summarization=P01M;username=pvlib-admin%2540googlegroups.com;verbose=false&Service=WPS&Request=Execute&Identifier=get_{identifier}&version=1.0.0&RawDataOutput=irradiation'  # noqa: E501
 
     requests_mock.get(url_test_cams, text=mock_response,
                       headers={'Content-Type': 'application/csv'})
@@ -254,7 +254,7 @@ def test_get_cams_bad_request(requests_mock):
         Please, register yourself at www.soda-pro.com
     </ows:ExceptionText>"""
 
-    url_cams_bad_request = 'http://pro.soda-is.com/service/wps?DataInputs=latitude=55.7906;longitude=12.5251;altitude=-999;date_begin=2020-01-01;date_end=2020-05-04;time_ref=TST;summarization=PT01H;username=test%2540test.com;verbose=false&Service=WPS&Request=Execute&Identifier=get_mcclear&version=1.0.0&RawDataOutput=irradiation'  # noqa: E501
+    url_cams_bad_request = 'https://pro.soda-is.com/service/wps?DataInputs=latitude=55.7906;longitude=12.5251;altitude=-999;date_begin=2020-01-01;date_end=2020-05-04;time_ref=TST;summarization=PT01H;username=test%2540test.com;verbose=false&Service=WPS&Request=Execute&Identifier=get_mcclear&version=1.0.0&RawDataOutput=irradiation'  # noqa: E501
 
     requests_mock.get(url_cams_bad_request, text=mock_response_bad,
                       headers={'Content-Type': 'application/xml'})