Use generic methods for * and / with a scalar

[albertomercurio]

As title

[codecov]

Codecov Report

❌ Patch coverage is 60.00000% with 6 lines in your changes missing coverage. Please review.
✅ Project coverage is 86.25%. Comparing base (cfa1d29) to head (165e06c).
⚠️ Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
src/matrix_coo/matrix_coo.jl	50.00%	2 Missing ⚠️
src/matrix_csc/matrix_csc.jl	33.33%	2 Missing ⚠️
src/matrix_csr/matrix_csr.jl	33.33%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #43      +/-   ##
==========================================
- Coverage   87.16%   86.25%   -0.91%     
==========================================
  Files          18       18              
  Lines        1768     1761       -7     
==========================================
- Hits         1541     1519      -22     
- Misses        227      242      +15     

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[github-actions]

⚠️ Performance Alert ⚠️

Possible performance regression was detected for benchmark 'Benchmark Results'.
Benchmark result of this commit is worse than the previous benchmark result exceeding threshold 1.30.

Benchmark suite	Current: 165e06c	Previous: cfa1d29	Ratio
Sparse Vector/JLArray/Sparse-Dense dot	23905 ns	14988 ns	1.59

This comment was automatically generated by workflow using github-action-benchmark.