feat(git): improve the set commit range error

[orhun]

Description

Before:

>_ orhun ζ git cliff test
 ERROR git_cliff > Git error: `unable to parse OID - contains invalid characters; class=Invalid (3)`

After:

>_ orhun ζ git cliff test
 ERROR git_cliff > Failed to set the commit range: unable to parse OID - contains invalid characters; class=Invalid (3)
"test" is not a valid commit range. Did you provide the correct arguments?

Motivation and Context

see #986

How Has This Been Tested?

Locally.

Types of Changes

• 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 change)
• Documentation (no code change)
• Refactor (refactoring production code)
• Other

Checklist:

• My code follows the code style of this project.
• I have updated the documentation accordingly.
• I have formatted the code with rustfmt.
• I checked the lints with clippy.
• I have added tests to cover my changes.
• All new and existing tests passed.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 66.66667% with 3 lines in your changes missing coverage. Please review.

Project coverage is 42.82%. Comparing base (e85888f) to head (e9066ce).

Files with missing lines	Patch %	Lines
git-cliff-core/src/repo.rs	66.67%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #990      +/-   ##
==========================================
- Coverage   42.85%   42.82%   -0.03%     
==========================================
  Files          21       21              
  Lines        1734     1740       +6     
==========================================
+ Hits          743      745       +2     
- Misses        991      995       +4     

Flag	Coverage Δ
unit-tests	42.82% <66.67%> (-0.03%)	⬇️

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