Install ddev non-editably in the setup-ddev action

[lucia-sb]

What does this PR do?

Makes the setup-ddev action install ddev and datadog_checks_dev as regular packages instead of editable ones when install-mode is local.

Motivation

An editable install only helps when the sources change after installing and you want those changes picked up, which never happens in CI and shouldn't. When a job does replace the checkout, an editable install silently switches to the new code. The Measure Disk Usage workflow in #25233 installs ddev from master and then checks out the commit it measures, so it needs the installed ddev to stay on master.

Review checklist (to be filled by reviewers)

• Feature or bugfix MUST have appropriate tests (unit, integration, e2e)
• Add qa/required if this PR needs QA validation, or qa/skip-qa if it does not. Exactly one of the two is required.
• 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

🤖 Generated with Claude Code

[cit-pr-commenter-54b7da]

evalya-impact-summary

evalya impact analysis

Impact analysis: RUN-ALL — every test task will run
Trigger:         empty diff (default branch, scheduled run, or shallow-clone fallback)
Test tasks:      0 (all selected)
Publish tasks:   2 (always emitted)
Diff:            empty (no diff information)

Learn more about CI impact filtering

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[datadog-prod-us1-6]

 

✅ All CI checks and tests passed.

🎉 All green!

🧪 All tests passed
❄️ No new flaky tests detected

🎯 Code Coverage (details)
• Patch Coverage: 100.00%
• Overall Coverage: 89.34% (+0.09%)

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🔗 Commit SHA: 45258b8 | Docs | View more details | Give us feedback!}

[AAraKKe]

Thanks, good catch, I didn't remember this was an editable install which makes no sense btw. I would not add that option (editable only allow you to automatically get changes as they happen which is not going to happen, and should not happen in CI). I would remove the editable installation all together.

[dd-octo-sts]

Validation Report

All 21 validations passed.

Show details

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	✅

View full run

[AAraKKe]

Thanks!