Implement --with-debugging-symbols switch in setup.py

[vnlitvinov]

• closes N/A
• tests added / passed
• passes git diff upstream/master -u -- "*.py" | flake8 --diff
• whatsnew entry

This implements a switch that enables building Pandas with debugging symbols - useful for debugging or profiling native parts of the code.

[codecov]

Codecov Report

Merging #25822 into master will increase coverage by <.01%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master   #25822      +/-   ##
==========================================
+ Coverage   91.27%   91.27%   +<.01%     
==========================================
  Files         173      173              
  Lines       53002    53002              
==========================================
+ Hits        48375    48376       +1     
+ Misses       4627     4626       -1

Flag	Coverage Δ
#multiple	89.83% <ø> (ø)	⬆️
#single	41.76% <ø> (-0.01%)	⬇️

Impacted Files	Coverage Δ
pandas/util/testing.py	89.4% <0%> (+0.1%)	⬆️

---

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[codecov]

Codecov Report

Merging #25822 into master will increase coverage by <.01%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master   #25822      +/-   ##
==========================================
+ Coverage   91.27%   91.27%   +<.01%     
==========================================
  Files         173      173              
  Lines       53002    53002              
==========================================
+ Hits        48375    48376       +1     
+ Misses       4627     4626       -1

Flag	Coverage Δ
#multiple	89.83% <ø> (ø)	⬆️
#single	41.76% <ø> (-0.01%)	⬇️

Impacted Files	Coverage Δ
pandas/util/testing.py	89.4% <0%> (+0.1%)	⬆️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update f39a9ce...5a8ad16. Read the comment docs.

[codecov]

Codecov Report

Merging #25822 into master will increase coverage by <.01%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master   #25822      +/-   ##
==========================================
+ Coverage   91.27%   91.27%   +<.01%     
==========================================
  Files         173      173              
  Lines       53002    53002              
==========================================
+ Hits        48375    48376       +1     
+ Misses       4627     4626       -1

Flag	Coverage Δ
#multiple	89.83% <ø> (ø)	⬆️
#single	41.76% <ø> (-0.01%)	⬇️

Impacted Files	Coverage Δ
pandas/util/testing.py	89.4% <0%> (+0.1%)	⬆️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update f39a9ce...5a8ad16. Read the comment docs.

[jreback]

thanks @vnlitvin