fix(manager/npm): support modern pnpm overrides syntax

[viceice]

Changes

Support modern pnpm overrides:

{
  "pnpm": {
    "overrides": {
      "express>cookie": "0.7.0"
    }   
  }
}

Context

• https://pnpm.io/package_json#pnpmoverrides
• chore(deps): update dependency express>cookie to v0.7.2 (viceicebot) - autoclosed renovate-reproductions/npm-pnpm-nested-overrides#3

Documentation (please check one with an [x])

• I have updated the documentation, or
• No documentation update is required

How I've tested my work (please select one)

I have verified these changes via:

• Code inspection only, or
• Newly added/modified unit tests, or
• No unit tests but ran on a real repository, or
• Both unit tests + ran on a real repository

[viceice]

If i replace the depName then replace won't work anymore here:

renovate/lib/modules/manager/npm/update/dependency/index.ts

Lines 46 to 48 in 32dd0da

	} else if (depType === 'pnpm.overrides') {
	parsedContents.pnpm!.overrides![depName] = newValue;
	} else if (depName === oldValue) {

renovate/lib/modules/manager/npm/update/dependency/index.ts

Lines 164 to 166 in 32dd0da

	} else if (depType === 'pnpm.overrides') {
	oldVersion = parsedContents.pnpm?.overrides?.[depName];
	} else {

[renovate-release]

🎉 This PR is included in version 38.110.3 🎉

The release is available on:

• GitHub release
• npm package (@latest dist-tag)
• 38.110.3

Your semantic-release bot 📦🚀