fix: add support for jinja2 v3

[woile]

Closes #391

Description

Checklist

• Add test cases to all the changes you introduce
• Run ./script/format and ./script/test locally to ensure this change passes linter check and test
• Test the changes on the local machine manually

Expected behavior

Steps to Test This Pull Request

Additional context

[codecov]

Codecov Report

Merging #392 (00f81d3) into master (d82727c) will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master     #392   +/-   ##
=======================================
  Coverage   97.90%   97.90%           
=======================================
  Files          39       39           
  Lines        1381     1381           
=======================================
  Hits         1352     1352           
  Misses         29       29           

Flag	Coverage Δ
unittests	97.90% <100.00%> (ø)

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

Impacted Files	Coverage Δ
commitizen/__version__.py	100.00% <100.00%> (ø)

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[Lee-W]

👍