[primTorch] Add decomp for embedding_renorm_

[nkaretnikov]

Stack from ghstack:

• [primTorch] Unify checks for embedding #89329
• -> [primTorch] Add decomp for embedding_renorm_ #89328
• Symintify embedding #89327

[pytorch-bot]

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[nkaretnikov]

Note: for some reason, this decomp is now not required to make the proxy tensor test pass, so not planning to merge this (or the checks in the other PR in this stack).