Add Logging

[govindchari]

Add linsys residuals to logs if logging is enabled.

[github-actions]

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Benchmark Summary

• Baseline solved: 129 problems
• Diff branch solved: 129 problems

Runtime improvements (> 5.0%)

• CVXQP1_S: diff=0.0005s, baseline=0.0005s, Δ=-5.0%
• CVXQP2_S: diff=0.0004s, baseline=0.0004s, Δ=-5.5%
• QPCBLEND: diff=0.0006s, baseline=0.0006s, Δ=-5.2%

[github-actions]

Download benchmark artifacts

Benchmark Summary

• Baseline solved: 129 problems
• Diff branch solved: 129 problems

Runtime regressions (> 5.0%)

• AUG2DQP: diff=0.1333s, baseline=0.1221s, Δ=+9.2%

Runtime improvements (> 5.0%)

• CVXQP1_S: diff=0.0005s, baseline=0.0005s, Δ=-6.6%
• CVXQP3_S: diff=0.0006s, baseline=0.0007s, Δ=-5.2%
• GENHS28: diff=0.0000s, baseline=0.0000s, Δ=-33.3%
• S268: diff=0.0000s, baseline=0.0000s, Δ=-5.9%
• ZECEVIC2: diff=0.0000s, baseline=0.0000s, Δ=-18.8%

[github-actions]

Download benchmark artifacts

Benchmark Summary

• Baseline solved: 129 problems
• Diff branch solved: 129 problems

Runtime regressions (> 5.0%)

• CVXQP2_L: diff=22.8936s, baseline=21.7613s, Δ=+5.2%
• QBRANDY: diff=0.0038s, baseline=0.0036s, Δ=+7.6%

Runtime improvements (> 5.0%)

• HS118: diff=0.0001s, baseline=0.0001s, Δ=-18.0%
• QAFIRO: diff=0.0001s, baseline=0.0002s, Δ=-11.6%
• QSHARE2B: diff=0.0009s, baseline=0.0010s, Δ=-5.6%