[process] Update process.executable.build_id.htlhash description to be generic

[osullivandonal]

Fixes #3563

Changes

Currently the process.executable.build_id.htlhash brief is for profiling, this has been made generic due to its use being adopted outside of profiling.

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Merge requirement checklist

• CONTRIBUTING.md guidelines followed.
• Change log entry added, according to the guidelines in When to add a changelog entry.
  • If your PR does not need a change log, start the PR title with [chore]
• Links to the prototypes or existing instrumentations (when adding or changing conventions)

[christos68k]

@mx-psi @braydonk Verifying whether we can add markdown links to the yaml files?

[mx-psi]

Verifying whether we can add markdown links to the yaml files?

That should be fine e.g.

semantic-conventions/model/rpc/spans.yaml

Line 100 in 682f2d6

brief: The [error code](https://connectrpc.com//docs/protocol/#error-codes) of the Connect response.