Find shell integration module

[andyleejordan]

Per microsoft/vscode#251303

[Copilot]

Pull Request Overview

This PR updates the logic for locating the PowerShell shell integration script based on the VS Code version.

• Bump the semver threshold to >=1.102 and update the reference PR link.
• Simplify folder paths to always use common/scripts.
• Switch the script filename to .psm1 for newer versions, falling back to .ps1.

Comments suppressed due to low confidence (3)

src/utils.ts:12

• The comment above the version check references only the PR for folder relocations; consider updating it to mention the change in file extension logic (using .psm1) introduced in this PR for clarity.

// See https://github.com/microsoft/vscode/pull/251303

src/utils.ts:13

• [nitpick] The variable name shellIntegrationMoved is ambiguous given its new responsibility of also selecting the .psm1 extension; consider renaming it to something like usePsm1IntegrationModule or isShellIntegrationModule to improve clarity.

const shellIntegrationMoved = satisfies(vscode.version, ">=1.102", {

src/utils.ts:13

• Add unit tests to cover both branches of this version check (>=1.102 and <1.102) to verify the script path resolution (.psm1 vs .ps1) works as expected.

const shellIntegrationMoved = satisfies(vscode.version, ">=1.102", {