[NIXL] Change compatibility hash logging from info to debug

[markmc]

Change NIXL compatibility hash logging from info to debug

Originally posted by @njhill in #29503 (comment)

[deepankerk]

Hello,

Please assign this issue to me. I will work on this.

[nussejzz]

@njhill I'd love to try this, new to the repo and excited to make my first contribution. Can you assign it to me?

[njhill]

Thanks @deepankerk @nussejzz ... in future unless it's a large task feel free to just open a PR and tag the issue in it.