fix: add dmg-builder and squirrel-windows to peerDependencies for pnpm

[taozhou-glean]

seeing error with pnpm:

 ⨯ Cannot find module 'dmg-builder'
Require stack:
- /xxx/node_modules/.pnpm/app-builder-lib@24.13.0_patch_hash=rhv5z6uqia42ljlrohzdneemdi/node_modules/app-builder-lib/out/macPackager.js
- /xxx/node_modules/.pnpm/app-builder-lib@24.13.0_patch_hash=rhv5z6uqia42ljlrohzdneemdi/node_modules/app-builder-lib/out/packager.js
- /xxx/node_modules/.pnpm/app-builder-lib@24.13.0_patch_hash=rhv5z6uqia42ljlrohzdneemdi/node_modules/app-builder-lib/out/index.js
- /xxx/node_modules/.pnpm/electron-builder@24.13.0/node_modules/electron-builder/out/builder.js
- /xxx/node_modules/.pnpm/electron-builder@24.13.0/node_modules/electron-builder/out/cli/cli.js
- /xxx/node_modules/.pnpm/electron-builder@24.13.0/node_modules/electron-builder/cli.js  failedTask=build stackTrace=Error: Cannot find module 'dmg-builder'

the /.pnpm/app-builder-lib@24.13.0/node_modules/:

while it works if I install dmg-builder directly to the entire workspace, I suspect that without it in the dependency, it's not listed in /.pnpm/app-builder-lib@24.13.0/node_modules/ and results in the error

and honestly it is imported (tho conditionally) to the code directly:

electron-builder/packages/app-builder-lib/src/macPackager.ts

Line 86 in 0403278

const { DmgTarget } = require("dmg-builder")

, so seems a better fit to dependencies ? or maybe peer dependencies ? (looks like peerDependencies can work as well: https://pnpm.io/how-peers-are-resolved)

[changeset-bot]

🦋 Changeset detected

Latest commit: 2a9ce10

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 8 packages

Name	Type
app-builder-lib	Patch
dmg-builder	Patch
electron-builder-squirrel-windows	Patch
electron-builder	Patch
electron-forge-maker-appimage	Patch
electron-forge-maker-nsis-web	Patch
electron-forge-maker-nsis	Patch
electron-forge-maker-snap	Patch

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[mmaietta]

What version of pnpm are you using? Trying to replicate this issue but not able to atm

[taozhou-glean]

What version of pnpm are you using? Trying to replicate this issue but not able to atm

8.15.1