Update azext packages and remove unused survey code

[Brandon Waterloo [MSFT] (bwateratmsft)]

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Summary

• Update @microsoft/vscode-azext-eng, -azureauth, -azureutils, and -utils to their newest releases, along with the compatible @vscode/test-cli peer and deduplicated lockfile.
• Remove disabled survey code, its experimentation initialization, and the unused TAS dependency and overrides.
• Temporarily exempt the two newly published azext packages from the one-week release-age policy; remove these exemptions after October 13, 2026.

[Copilot]

Copilot review overview

🟡 Changes recommended

Release-age exemptions are overly broad, and unused survey activity tracking remains active.

Review effort: Balanced
Findings: 1 · 1

Open (2)

• Scope supply-chain exclusions to exact adopted releases · New
• Remove unused activity measurement service and state tracking · New

What changed in this PR

Updates azext dependencies and removes dormant survey/TAS infrastructure.

Changes:

• Upgrades azext packages and test tooling.
• Removes survey implementations, experimentation setup, and TAS dependencies.
• Adds temporary release-age exemptions.

File	Description
pnpm-workspace.yaml	Updates catalog and release-age policy.
pnpm-lock.yaml	Refreshes dependency resolutions.
package.json	Updates azext engineering tooling.
SurveyManager.ts	Removes survey orchestration.
survey3.ts	Removes survey definition.
nps2.ts	Removes NPS survey.
awareness.ts	Removes awareness survey.
extensionVariables.ts	Removes experimentation state.
extension.ts	Removes TAS initialization.
extensions/​vscode-containers/​package.json	Updates azext dependencies and removes TAS.

Files not reviewed (1)

• pnpm-lock.yaml: Generated file

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