feat: switch to npm as default package manager (#226927)

* feat: move from yarn to npm

* chore: skip yarn.lock files

* fix: playwright download

* chore: fix compile and hygiene

* chore: bump vsce@2.17.0

Refs 8b49e9dfdf

* test: update results for bat and sh colorizer tests

* fix: add missing lock files for windows

* fix: switch to legacy-peer-deps

* chore: update markdown-it@14.1.0

Refs 737c95a129

esbuild step in extensions-ci-pr was previously using markdown-it
from root which had userland punycode and was able to compile successfully.

* ci: increase pr timeout for windows integration tests

* chore: fix product build

* build: ignore extension dev dependency for rcedit

* build: fix working directory inside container

* build: fix dependency generation

* npm: update dependencies

* ci: use global npmrc

* ci: update cache

* ci: setup global npmrc for private npm auth

* build: fix extension bundling

* chore: sync npm dependencies

* ci: debug env variables for container

* ci: fix win32 cli pipeline

* build: fix npmrc config usage for build/ and remote/ dirs

* fix: windows build

* fix: container builds

* fix: markdown-language-features tests and bundling

```
[03:58:22] Error: Command failed: /Users/demohan/.nvm/versions/node/v20.15.1/bin/node /Users/demohan/github/vscode/extensions/markdown-language-features/esbuild-notebook.js --outputRoot /Users/demohan/github/vscode/.build/extensions/markdown-language-features
✘ [ERROR] Could not resolve "punycode"

    extensions/markdown-language-features/node_modules/markdown-it/lib/index.js:14:27:
      14 │ var punycode     = require('punycode');
         ╵                            ~~~~~~~~~~

  The package "punycode" wasn't found on the file system but is built into node. Are you trying to bundle for node? You can use "platform: 'node'" to do that, which will remove this error.
```

Adds userland package based on beed9aee2c

* fix: container builds for distro

* chore: update yarn occurrences

* fixup! chore: bump vsce@2.17.0

Uses the closest version to `main` branch that does not
include d3cc84cdec
while still having the fix 8b49e9dfdf

* chore: sync npm dependencies

* chore: sync npm dependencies

* chore: sync npm dependencies

* chore: throw error when yarn is used for installation

* chore: add review feedback

* chore: switch exec => run where needed

* chore: npm sync dependencies

* fix: markdown-language-features bundling

```
✘ [ERROR] Could not resolve "punycode"

    extensions/markdown-language-features/node_modules/markdown-it/lib/index.js:14:27:
      14 │ var punycode     = require('punycode');
         ╵                            ~~~~~~~~~~

  The package "punycode" wasn't found on the file system but is built into node. Are you trying to bundle for node? You can use "platform: 'node'" to do that, which will remove this error.
```

Adds missing userland package based on markdown-it/markdown-it@beed9ae,
can be removed once we update markdown-it >= 14.1.0

* ci: rename no-yarn-lock-changes.yml

* chore: sync npm dependencies

* ci: restore no-yarn-lock-changes.yml

We can disable it in a separate PR to keep the required
checks happy and also need workflow edit perms.

* chore: sync npm dependencies

* ci: rebuild cache

* ci: fix no-package-lock-changes.yml

* chore: bump distro

* chore: rm yarn.lock files

* chore: rm yarn.lock files without dependencies

* chore: add vscode-selfhost-import-aid to postinstall dirs

* chore: bump distro

.github/workflows/no-yarn-lock-changes.yml

@@ -23,9 +23,9 @@ jobs:
           echo "should_run=${{ !contains(fromJson('["admin", "maintain", "write"]'), fromJson(steps.get_permissions.outputs.data).permission) && github.event.pull_request.user.login != 'dependabot[bot]' }}" >> $GITHUB_OUTPUT
       - name: Get file changes
         uses: trilom/file-changes-action@ce38c8ce2459ca3c303415eec8cb0409857b4272
-        #if: ${{ steps.control.outputs.should_run == 'true' }}
+        if: ${{ steps.control.outputs.should_run == 'true' }}
       - name: Check for lockfile changes
-        #if: ${{ steps.control.outputs.should_run == 'true' }}
+        if: ${{ steps.control.outputs.should_run == 'true' }}
         run: |
           cat $HOME/files.json | jq -e 'any(test("yarn\\.lock$|Cargo\\.lock$")) | not' \
             || (echo "Changes to yarn.lock/Cargo.lock files aren't allowed in PRs." && exit 1)