[Backport 7.81.x] Move macOS PBS pins into builder inputs

[Kyle-Neale]

What does this PR do?

Backport of #24015 to 7.81.x. Moves the macOS Python Build Standalone (PBS) pins (PYTHON_PATCH, PBS_RELEASE, PBS_SHA256__aarch64, PBS_SHA256__x86_64) from the inline env: block in .github/workflows/resolve-build-deps.yaml into a new .builders/images/macos/pbs.env file, sourced by the workflow at runtime. Updates ddev meta scripts upgrade-python-version (and its tests) to write the new file.

Motivation

The previous inline env: lived outside .builders/, so it was not covered by the per-target images/<target>/**/* hash computed in .builders/inputs_hash.py. A PBS pin bump (e.g. 3.13.13 → 3.13.14) therefore did not invalidate the ~/builder_root cache on macOS, so the cached virtualenv kept pointing at the previously installed PBS Python. Co-locating the pins under .builders/images/macos/ puts them inside the hash domain and makes the cache key flip on every bump.

Manual backport because dd-backport[bot] did not file one automatically. The cherry-pick was clean except for .deps/ lockfile artifacts, which were resolved to the 7.81.x versions; the dependency-resolution workflow regenerates them on this branch.

Review checklist (to be filled by reviewers)

• Feature or bugfix MUST have appropriate tests (unit, integration, e2e)
• Add the qa/skip-qa label if the PR doesn't need to be tested during QA.
• If you need to backport this PR to another branch, you can add the backport/<branch-name> label to the PR and it will automatically open a backport PR once this one is merged

[datadog-datadog-prod-us1-2]

 

🎉 All green!

🧪 All tests passed
❄️ No new flaky tests detected

🎯 Code Coverage (details)
• Patch Coverage: 100.00%
• Overall Coverage: 87.91%

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[dd-octo-sts]

Validation Report

All 21 validations passed.

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Validation	Description	Status
agent-reqs	Verify check versions match the Agent requirements file	✅
ci	Validate CI configuration and code coverage settings	✅
codeowners	Validate every integration has a CODEOWNERS entry	✅
config	Validate default configuration files against spec.yaml	✅
dep	Verify dependency pins are consistent and Agent-compatible	✅
http	Validate integrations use the HTTP wrapper correctly	✅
imports	Validate check imports do not use deprecated modules	✅
integration-style	Validate check code style conventions	✅
jmx-metrics	Validate JMX metrics definition files and config	✅
labeler	Validate PR labeler config matches integration directories	✅
legacy-signature	Validate no integration uses the legacy Agent check signature	✅
license-headers	Validate Python files have proper license headers	✅
licenses	Validate third-party license attribution list	✅
metadata	Validate metadata.csv metric definitions	✅
models	Validate configuration data models match spec.yaml	✅
openmetrics	Validate OpenMetrics integrations disable the metric limit	✅
package	Validate Python package metadata and naming	✅
qa-label	Validate the pull request declares whether it needs QA for the next Agent release	✅
readmes	Validate README files have required sections	✅
saved-views	Validate saved view JSON file structure and fields	✅
version	Validate version consistency between package and changelog	✅

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[github-actions]

Wheels promoted to stable storage for commit cc9fbf1febfbd034fb70a256794482bbaf01992b by @Kyle-Neale.
Workflow run: https://github.com/DataDog/integrations-core/actions/runs/27367239126