build: switch labeller to pull_request event

[NyanKiyoshi]

pull_request_target is not really needed in our context as we do not really receive any external contribution (other than bots/agents)

Thus, this doesn't warrant the risks that pull_request_target exposes Saleor to

Checklist

• I added changesets and read good practices.

[changeset-bot]

⚠️ No Changeset found

Latest commit: 18bd734

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

This PR includes no changesets

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[vercel]

The latest updates on your projects. Learn more about Vercel for GitHub.

Project	Deployment	Actions	Updated (UTC)
dummy-payment-app	Ready	Preview, Comment	Jun 29, 2026 2:28pm
saleor-app-anonymizer	Ready	Preview, Comment	Jun 29, 2026 2:28pm
saleor-app-avatax	Ready	Preview, Comment	Jun 29, 2026 2:28pm
saleor-app-cms	Ready	Preview, Comment	Jun 29, 2026 2:28pm
saleor-app-klaviyo	Ready	Preview, Comment	Jun 29, 2026 2:28pm
saleor-app-onboarding	Ready	Preview, Comment	Jun 29, 2026 2:28pm
saleor-app-payment-np-atobarai	Ready	Preview, Comment	Jun 29, 2026 2:28pm
saleor-app-payment-stripe	Ready	Preview, Comment	Jun 29, 2026 2:28pm
saleor-app-products-feed	Ready	Preview, Comment	Jun 29, 2026 2:28pm
saleor-app-search	Ready	Preview, Comment	Jun 29, 2026 2:28pm
saleor-app-segment	Ready	Preview, Comment	Jun 29, 2026 2:28pm
saleor-app-smtp	Ready	Preview, Comment	Jun 29, 2026 2:28pm

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
⚠️ Please upload report for BASE (main@686ff4d). Learn more about missing BASE report.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2388   +/-   ##
=======================================
  Coverage        ?   38.15%           
=======================================
  Files           ?     1048           
  Lines           ?    67116           
  Branches        ?     3598           
=======================================
  Hits            ?    25605           
  Misses          ?    41121           
  Partials        ?      390           

Flag	Coverage Δ
avatax	57.58% <ø> (?)
cms	21.85% <ø> (?)
domain	100.00% <ø> (?)
dynamo-config-repository	79.29% <ø> (?)
errors	92.00% <ø> (?)
logger	28.81% <ø> (?)
np-atobarai	72.66% <ø> (?)
products-feed	6.01% <ø> (?)
search	32.31% <ø> (?)
segment	33.65% <ø> (?)
shared	56.07% <ø> (?)
smtp	36.32% <ø> (?)
stripe	70.89% <ø> (?)
webhook-utils	21.35% <ø> (?)

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