Enforce CFSClean network isolation in 1ES pipelines

[Copilot]

Ports the network isolation policy from Azure/openapi-diff#504 to AutoRest.

Changes

• Configure the shared 1ES pipeline template to use permissive CFSClean network isolation:

settings:
  networkIsolationPolicy: Permissive, CFSClean

[Mike Harder (mikeharder)]

Copilot: Port this other PR into this PR:

microsoft/typespec#11160

to fix this error:

https://dev.azure.com/azure-sdk/public/_build/results?buildId=6659900&view=logs&j=8fed21a0-1bbd-54a7-ffc7-75c6f2c68d37&t=3affc679-7c7b-59dd-9929-2e62e6e0dce0&l=22

[Copilot]

Copilot: Port this other PR into this PR:

microsoft/typespec#11160
...

Ported the pinned pnpm installer in d1679cf. Azure Pipelines now install the root packageManager version through npm instead of Corepack, including build and regression jobs. The new CI run is queued.

[Mike Harder (mikeharder)]

Copilot: also port this other PR into this PR:

Azure/openapi-diff#488

[Copilot]

Copilot: also port this other PR into this PR:

Azure/openapi-diff#488

Ported the authenticated npm configuration in 4c0a530, covering build, regression, and smoke-test jobs.

[Mike Harder (mikeharder)]

Copilot: fix the test errors in this log:

https://dev.azure.com/azure-sdk/public/_build/results?buildId=6660177&view=logs&j=8fed21a0-1bbd-54a7-ffc7-75c6f2c68d37&t=c6238e05-7a9c-5b0a-4d3b-1b0924774972&l=285

[Copilot]

Copilot: fix the test errors in this log:

https://dev.azure.com/azure-sdk/public/_build/results?buildId=6660177&view=logs&j=8fed21a0-1bbd-54a7-ffc7-75c6f2c68d37&t=c6238e05-7a9c-5b0a-4d...

Fixed the extension test registry failures in eb3ac77 by routing unit and regression extension resolution through the authenticated Azure npm feed.

[azure-pipelines]

You may test this build by running autorest --reset and then either:

---

Add the following CLI flags

Pacakge	Flag	Description
@autorest/core	--version:https://tinyurl.com/25txdxgc	For changes to autorest core.
@autorest/modelerfour	--use:https://tinyurl.com/25yzwzmb	For changes to modelerfour.

Or with all

autorest --version:https://tinyurl.com/25txdxgc --use:https://tinyurl.com/25yzwzmb

---

or use the following in your autorest configuration:

# For changes to autorest core
version: "https://tinyurl.com/25txdxgc"

# For changes to modelerfour
use-extension:
  "@autorest/modelerfour": "https://tinyurl.com/25yzwzmb"

---

If this build is good for you, give this comment a thumbs up. (👍) And you should run `autorest --reset` again once you're finished testing to remove it.

[azure-pipelines]

You may test this build by running autorest --reset and then either:

---

Add the following CLI flags

Pacakge	Flag	Description
@autorest/core	--version:https://tinyurl.com/29487z3q	For changes to autorest core.
@autorest/modelerfour	--use:https://tinyurl.com/24w26axl	For changes to modelerfour.

Or with all

autorest --version:https://tinyurl.com/29487z3q --use:https://tinyurl.com/24w26axl

---

or use the following in your autorest configuration:

# For changes to autorest core
version: "https://tinyurl.com/29487z3q"

# For changes to modelerfour
use-extension:
  "@autorest/modelerfour": "https://tinyurl.com/24w26axl"

---

If this build is good for you, give this comment a thumbs up. (👍) And you should run `autorest --reset` again once you're finished testing to remove it.