fix: align process command arguments to spec defenition

[tamirdavid]

Description

According to the process attributes within the spec of semconv process.command_args should be "All the command arguments (including the command/executable itself)".
In the current implementation, it is handling all command arguments without the command itself.

Type of change

Please delete options that are not relevant.

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

How Has This Been Tested?

Please describe the tests that you ran to verify your changes. Provide instructions so we can reproduce. Please also list any relevant details for your test configuration

• Unit Test

Does This PR Require a Contrib Repo Change?

• Yes. - Link to PR:
• No.

Checklist:

• Followed the style guidelines of this project
• Changelogs have been updated
• Unit tests have been added - unit test adjusted
• Documentation has been updated

[linux-foundation-easycla]

The committers listed above are authorized under a signed CLA.

• ✅ login: tamirdavid / name: Tamir David (21f6c64, eb375ec, 46f614b, 1e4507a, 20ffaa3)
• ✅ login: lzchen / name: Leighton Chen (f718268, ca872d3)
• ✅ login: xrmx / name: Riccardo Magliocchetti (4ccdae3)

[emdneto]

This needs a changelog entry

[tamirdavid1]

added

[tamirdavid]

Hey guys,
someone can please help me run the tests again and merge it?
thanks