Use https instead of git+ssh for podhmo/python-node-semver submodule

[gmllt]

Short explanation of the proposed change: Use https instead of git+ssh for podhmo/python-node-semver git submodule as it can cause problems in certain environments where only retrieval of a git repository via https is allowed.

Explanation of the use cases your change solves: Fix git submodul retrieval in environments where git clone is only allowed through https.

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