[software/erp5testnode] Update seleniumrunner SR.

Use the latest firefox and geckodriver to support file uploading tests.

software/erp5testnode/buildout.hash.cfg

@@ -18,4 +18,4 @@ md5sum = 307663d73ef3ef94b02567ecd322252e
 
 [template-default]
 filename = instance-default.cfg
-md5sum = de56145079f33f78d6bcf140f6caf2f3
+md5sum = 4956c78d3f2bf0f873b6324c4ff8bf4e

software/erp5testnode/instance-default.cfg

@@ -233,4 +233,4 @@ port = $${shellinabox-frontend:port}
 node-quantity = 1
 test-suite-master-url =
 instance-dict =
-software-path-list = ["https://lab.nexedi.com/nexedi/slapos/raw/1.0.83/software/seleniumrunner/software.cfg"]
+software-path-list = ["https://lab.nexedi.com/nexedi/slapos/raw/d5241f224a66e5a73c7c3ebbd006b9cdb0307ac7/software/seleniumrunner/software.cfg"]