Only upload the dist directory to AWS

[grahamlangford]

What does this PR do?

• Prevents zipping the full /applications/browser-extension/dist path
• Fixes Rainforest failures

Discussion

• Considered pushd and popd instead of cd, but wasn't certain it was guaranteed to be available (sh vs bash)

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code review principles doc

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 75.79%. Comparing base (8318d74) to head (32b632a).
Report is 506 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #9521      +/-   ##
==========================================
+ Coverage   74.24%   75.79%   +1.54%     
==========================================
  Files        1332     1422      +90     
  Lines       40817    42917    +2100     
  Branches     7634     7902     +268     
==========================================
+ Hits        30306    32530    +2224     
+ Misses      10511    10387     -124     

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Playwright test results

 5 failed
 147 passed
 2 flaky
 2 skipped

Details

 Open report ↗︎
 156 tests across 51 suites
 14 minutes, 40 seconds
 32b632a
 For more information on how to debug and view this report, see our readme

Failed tests

chrome › tests/pageEditor/addStarterBrick.spec.ts › Add new mod with different starter brick components
msedge › tests/pageEditor/addStarterBrick.spec.ts › Add new mod with different starter brick components
chrome › tests/regressions/welcomeStarterBricks.spec.ts › #8740: can view the starter mods on the pixiebrix.com/welcome page
msedge › tests/regressions/welcomeStarterBricks.spec.ts › #8740: can view the starter mods on the pixiebrix.com/welcome page
msedge › tests/runtime/sidebar/sidebarActivation.spec.ts › initiates sidebar mod activation from activate url click

Flaky tests

msedge › tests/extensionConsole/activation.spec.ts › can activate a mod with built-in integration
msedge › tests/pageEditor/modEditorPane.spec.ts › mod editor pane behavior

Skipped tests

chrome › tests/runtime/googleSheetsIntegration.spec.ts › can activate a google spreadsheet mod with config options
msedge › tests/runtime/googleSheetsIntegration.spec.ts › can activate a google spreadsheet mod with config options

[fungairino]

nit: leave a comment to indicate why we need to cd into there. (to avoid zipping the nested applications/browser-extension directory structure)