Add timezone to generated ticket pdf.

[Anupam-dagar]

This PR is in continuation to #5573

Checklist

• I have read the Contribution & Best practices Guide and my PR follows them.
• My branch is up-to-date with the Upstream development branch.
• The unit tests pass locally with my changes
• I have added tests that prove my fix is effective or that my feature works
• I have added necessary documentation (if appropriate)

• All the functions created/modified in this PR contain relevant docstrings.

Short description of what this resolves:

Added timezone to the time in the generated ticket pdf.

[Anupam-dagar]

@CosmicCoder96 @iamareebjamal This adds the timezone to the ticket.
Please review.

[codecov]

Codecov Report

Merging #5576 into development will not change coverage.
The diff coverage is n/a.

@@             Coverage Diff              @@
##           development    #5576   +/-   ##
============================================
  Coverage        63.23%   63.23%           
============================================
  Files              265      265           
  Lines            12742    12742           
============================================
  Hits              8057     8057           
  Misses            4685     4685

---

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 d1b3874...5b8f996. Read the comment docs.