software/jstestnode: use https protocol to install from github

This prevents errors like:

Error while executing:
/srv/slapgrid/slappart54/t/dau/shared/git/f7efae57344573a59b9e441431a34e9a/bin/git ls-remote -h -t git://github.com/qunitjs/node-qunit.git

fatal: remote error:
  The unauthenticated git protocol on port 9418 is no longer supported.
Please see https://github.blog/2021-09-01-improving-git-protocol-security-github/ for more information.

software/jstestnode/software.cfg

@@ -71,7 +71,7 @@ stop-on-error = true
 command = set -e
   cd ${jio-repository.git:location}
   PATH=${git:location}/bin:${nodejs:location}/bin:$PATH
-  ${nodejs:location}/bin/npm install jslint@0.9.2 jison@0.4.16 git://github.com/qunitjs/node-qunit.git#v0.9.3 sinon@1.7.3
+  ${nodejs:location}/bin/npm install jslint@0.9.2 jison@0.4.16 https://github.com/qunitjs/node-qunit.git#v0.9.3 sinon@1.7.3
   make
 update-command = ${:command}