[CI] Hardening GHA for closing subtree PRs

[stloyd]

This replaces custom external action superbrothers/close-pull-request, with "built-in" functionality.

Change Log

---

Added

Fixed

Changed

• Hardening GHA for closing subtree PRs

Removed

Deprecated

Security

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 84.62%. Comparing base (7d654c2) to head (a2e1961).
⚠️ Report is 2 commits behind head on 1.x.

Additional details and impacted files

@@            Coverage Diff            @@
##                1.x    #2378   +/-   ##
=========================================
  Coverage     84.62%   84.62%           
  Complexity    20319    20319           
=========================================
  Files          1560     1560           
  Lines         62611    62611           
=========================================
  Hits          52983    52983           
  Misses         9628     9628           

Components	Coverage Δ
etl	89.68% <ø> (ø)
cli	89.42% <ø> (ø)
lib-array-dot	81.44% <ø> (ø)
lib-azure-sdk	64.43% <ø> (ø)
lib-doctrine-dbal-bulk	93.64% <ø> (ø)
lib-filesystem	85.15% <ø> (ø)
lib-types	89.63% <ø> (ø)
lib-parquet	68.89% <ø> (ø)
lib-parquet-viewer	82.75% <ø> (ø)
lib-snappy	89.82% <ø> (ø)
lib-dremel	0.00% <ø> (ø)
lib-postgresql	88.40% <ø> (ø)
lib-telemetry	84.00% <ø> (ø)
bridge-filesystem-async-aws	92.29% <ø> (ø)
bridge-filesystem-azure	89.77% <ø> (ø)
bridge-monolog-http	98.89% <ø> (ø)
bridge-monolog-telemetry	93.93% <ø> (ø)
bridge-openapi-specification	91.58% <ø> (ø)
symfony-http-foundation	78.57% <ø> (ø)
bridge-psr18-telemetry	100.00% <ø> (ø)
bridge-psr3-telemetry	97.75% <ø> (ø)
bridge-psr7-telemetry	100.00% <ø> (ø)
bridge-telemetry-otlp	90.38% <ø> (ø)
bridge-symfony-http-foundation-telemetry	89.47% <ø> (ø)
bridge-symfony-filesystem-bundle	91.68% <ø> (ø)
bridge-symfony-filesystem-cache	98.00% <ø> (ø)
bridge-symfony-postgresql-bundle	94.58% <ø> (ø)
bridge-symfony-postgresql-cache	95.75% <ø> (ø)
bridge-symfony-postgresql-messenger	99.58% <ø> (ø)
bridge-symfony-postgresql-session	93.92% <ø> (ø)
bridge-symfony-telemetry-bundle	72.34% <ø> (ø)
adapter-chartjs	84.72% <ø> (ø)
adapter-csv	89.16% <ø> (ø)
adapter-doctrine	90.77% <ø> (ø)
adapter-elasticsearch	92.74% <ø> (ø)
adapter-google-sheet	99.15% <ø> (ø)
adapter-http	71.22% <ø> (ø)
adapter-json	88.18% <ø> (ø)
adapter-logger	50.00% <ø> (ø)
adapter-parquet	81.51% <ø> (ø)
adapter-text	74.13% <ø> (ø)
adapter-xml	83.63% <ø> (ø)
adapter-avro	0.00% <ø> (ø)
adapter-excel	94.10% <ø> (ø)
adapter-postgresql	90.52% <ø> (ø)
bridge-phpunit-postgresql	74.68% <ø> (ø)
bridge-phpunit-telemetry	78.52% <ø> (ø)
bridge-postgresql-valinor	100.00% <ø> (ø)

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[norberttech]

nice! 🍻