Intermittent networking issues lead to failed setup

[jamietanna]

In @renovatebot we're seeing pnpm/setup (as part of our job setup) failing i.e.

Setup pnpm
0s
Run pnpm/setup@703c52620218391530e48b9e8870d5c0082e1b9b
Installing pnpm...
    Downloading pnpm 11.27.0 from the npm registry
  Error: Could not reach https://registry.npmjs.org/pnpm: fetch failed
      at e8 (/home/runner/work/_actions/pnpm/setup/703c52620218391530e48b9e8870d5c0082e1b9b/dist/index.js:256:2090)
      at process.processTicksAndRejections (node:internal/process/task_queues:104:5)
      at async Z4 (/home/runner/work/_actions/pnpm/setup/703c52620218391530e48b9e8870d5c0082e1b9b/dist/index.js:256:1847)
      at async i8 (/home/runner/work/_actions/pnpm/setup/703c52620218391530e48b9e8870d5c0082e1b9b/dist/index.js:261:300)
      at async a8 (/home/runner/work/_actions/pnpm/setup/703c52620218391530e48b9e8870d5c0082e1b9b/dist/index.js:263:145)
      at async z0e (/home/runner/work/_actions/pnpm/setup/703c52620218391530e48b9e8870d5c0082e1b9b/dist/index.js:263:1530)
      at async V0e (/home/runner/work/_actions/pnpm/setup/703c52620218391530e48b9e8870d5c0082e1b9b/dist/index.js:273:404)
      at async oSe (/home/runner/work/_actions/pnpm/setup/703c52620218391530e48b9e8870d5c0082e1b9b/dist/index.js:273:5098)
      at async iSe (/home/runner/work/_actions/pnpm/setup/703c52620218391530e48b9e8870d5c0082e1b9b/dist/index.js:273:5012) {
    [cause]: [TypeError: fetch failed] {
      [cause]: Error: read ECONNRESET
          at TLSWrap.onStreamRead (node:internal/stream_base_commons:216:20) {
        errno: -104,
        code: 'ECONNRESET',
        syscall: 'read'
      }
    }
  }
  Error: Error: Could not reach https://registry.npmjs.org/pnpm: fetch failed

A quick review with Claude Sonnet 5 indicates that this isn't due to code in this repo, but potentially in get-pnpm which isn't retrying requests