Logging traceback for fatal errors

[vrdmr]

Description

Currently, the log messages do not contain any relevant traceback and exception details. Adding a new traceback info to be logged.

Fixes #

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PR information

• The title of the PR is clear and informative.
• There are a small number of commits, each of which has an informative message. This means that previously merged commits do not appear in the history of the PR. For information on cleaning up the commits in your pull request, see this page.
• If applicable, the PR references the bug/issue that it fixes in the description.
• New Unit tests were added for the changes made and CI is passing.

Quality of Code and Contribution Guidelines

• I have read the contribution guidelines.

[codecov]

Codecov Report

Merging #1064 (cc1588f) into dev (66fb7dd) will decrease coverage by 0.12%.
The diff coverage is 22.22%.

@@            Coverage Diff             @@
##              dev    #1064      +/-   ##
==========================================
- Coverage   83.58%   83.46%   -0.13%     
==========================================
  Files          33       33              
  Lines        1773     1778       +5     
  Branches      282      282              
==========================================
+ Hits         1482     1484       +2     
- Misses        227      230       +3     
  Partials       64       64              

Flag	Coverage Δ
unittests	83.46% <22.22%> (-0.13%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
azure_functions_worker/dispatcher.py	89.12% <0.00%> (ø)
azure_functions_worker/main.py	0.00% <0.00%> (ø)
azure_functions_worker/logging.py	40.81% <40.00%> (-0.10%)	⬇️

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