Update to PPT v1.4.3

[delucchi-cmu]

Change Description

Runs copier update to use new template version. Moves the new "getting started dev guide" to expand on environment setup instructions in the contribution guide.

Code Quality

• I have read the Contribution Guide
• My code follows the code style of this project
• My code builds (or compiles) cleanly without any errors or warnings
• My code contains relevant comments and necessary documentation

[github-actions]

Before	After	Ratio	Method
[da10c3a]	[f818cf2]
172±2ms	168±3ms	0.98	benchmarks.time_test_cone_filter_multiple_order
215±3ms	209±3ms	0.97	benchmarks.time_test_alignment_even_sky
1.29±0.01s	1.25±0.01s	0.97	benchmarks.Suite.time_pixel_tree_creation

Click here to view all benchmarks.

[codecov]

Codecov Report

Merging #143 (467acc8) into main (da10c3a) will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##              main      #143   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           46        46           
  Lines         1523      1505   -18     
=========================================
- Hits          1523      1505   -18     

see 7 files with indirect coverage changes

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[hombit]

Looks good, the only real question I have is about setuptools_scm to be a runtime dep