Adding information about updating developer environment to the developer docs

[keyabarve]

• This involves modifications to doc/developer.md.

• A new heading called "Updating your developer environment" has been added just above "Running tests and checks" in doc/developer.md. The commands for updating Rust and Python have been added under this heading.

• There was a typo in the current dev docs on the line:

Finally, ou can also explicitly install all the Python dependencies for sourmash by running

'ou' has been modified to 'you' here.

• Fixes add information about updating dev environment to dev docs #1181

[codecov]

Codecov Report

Merging #1432 (57dd159) into latest (ed3c809) will increase coverage by 5.23%.
The diff coverage is 94.11%.

@@            Coverage Diff             @@
##           latest    #1432      +/-   ##
==========================================
+ Coverage   89.27%   94.51%   +5.23%     
==========================================
  Files         123       96      -27     
  Lines       18790    15299    -3491     
  Branches     1447     1463      +16     
==========================================
- Hits        16775    14460    -2315     
+ Misses       1782      606    -1176     
  Partials      233      233              

Flag	Coverage Δ
python	94.51% <94.11%> (+0.02%)	⬆️
rust	?

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

Impacted Files	Coverage Δ
src/sourmash/logging.py	28.70% <28.57%> (-0.01%)	⬇️
src/sourmash/lca/lca_db.py	91.34% <66.66%> (-1.09%)	⬇️
src/sourmash/sbt.py	83.65% <75.00%> (-0.49%)	⬇️
src/sourmash/sourmash_args.py	95.95% <94.23%> (+3.02%)	⬆️
src/sourmash/index.py	90.76% <96.87%> (-2.85%)	⬇️
src/sourmash/commands.py	83.33% <100.00%> (+0.69%)	⬆️
src/sourmash/lca/command_summarize.py	80.95% <100.00%> (+0.15%)	⬆️
src/sourmash/signature.py	90.73% <100.00%> (+0.97%)	⬆️
tests/test_api.py	100.00% <100.00%> (ø)
tests/test_index.py	100.00% <100.00%> (ø)
... and 30 more

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[keyabarve]

Please review @ctb @luizirber

[ctb]

curious about the use of square brackets here - is there a reason to go with this convention? I don't think we use it anywhere else in the code base.

[keyabarve]

I think I must have put it there by mistake. I'll remove it right away.

[ctb]

same here.

[keyabarve]

Please review @ctb @luizirber

[ctb]

Thank you!

[ctb]

@keyabarve can you merge? does the 'squash and merge' button appear for you? I'd be happy to have you do the honors :)

[keyabarve]

@ctb I can see the 'squash and merge' button right below. Should I click on it to merge? Please let me know. Thanks!