Fix formatting in SLSQP output file

[eirikurj]

Purpose

Output file formatting is inconsistent and missing characters in ALGORITHM

   ---------------------------------------------------------------------------
     START OF THE SEQUENTIAL LEAST SQUARES PROGRAMMING ALGORIT  
   ---------------------------------------------------------------------------

     PARAMETERS:
        ACC =   0.1000D-05
        MAXITER =500
        IPRINT =   1
IOUT =  60

This PR adjusts the output and after it should look

   ---------------------------------------------------------------------------
     START OF THE SEQUENTIAL LEAST SQUARES PROGRAMMING ALGORITHM
   ---------------------------------------------------------------------------

     PARAMETERS:
        ACC =   0.1000D-05
        MAXITER = 500
        IPRINT =   1
        IOUT =  60

Expected time until merged

No rush

Type of change

• Bugfix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (non-backwards-compatible fix or feature)
• Code style update (formatting, renaming)
• Refactoring (no functional changes, no API changes)
• Documentation update
• Maintenance update
• Other (please describe)

Testing

Run SLSQP optimization before and after the fix and compare outpu

Checklist

• I have run flake8 and black to make sure the Python code adheres to PEP-8 and is consistently formatted
• I have formatted the Fortran code with fprettify or C/C++ code with clang-format as applicable
• I have run unit and regression tests which pass locally with my changes
• I have added new tests that prove my fix is effective or that my feature works
• I have added necessary documentation

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (eee3f70) 73.35% compared to head (43bbadc) 73.35%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #378   +/-   ##
=======================================
  Coverage   73.35%   73.35%           
=======================================
  Files          22       22           
  Lines        3318     3318           
=======================================
  Hits         2434     2434           
  Misses        884      884           

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