Print the rust version when building bpf programs (bp #16181)

[mergify]

This is an automatic backport of pull request #16181 done by Mergify.

Cherry-pick of abada56 has failed:

On branch mergify/bp/v1.5/pr-16181
Your branch is up to date with 'origin/v1.5'.

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Unmerged paths:
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	both modified:   sdk/bpf/scripts/install.sh

no changes added to commit (use "git add" and/or "git commit -a")

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