pnpm@7.7.1 - pnpm generates different lockfile locally and on CI 

### pnpm version:

7.7.0
7.7.1

### Code to reproduce the issue:

https://github.com/gionkunz/chartist-js

### Expected behavior:

successful dependencies installation 

### Actual behavior:

```
Lockfile is up-to-date, resolution step is skipped
 ERR_PNPM_OUTDATED_LOCKFILE  Cannot install with "frozen-lockfile" because pnpm-lock.yaml is not up-to-date with package.json

Note that in CI environments this setting is true by default. If you still need to run install in such cases, use "pnpm install --no-frozen-lockfile"
```

### Additional information:

[v7.5.0 works perfect](https://github.com/gionkunz/chartist-js/runs/7590723454?check_suite_focus=true)

[v7.7.1 installed local and on CI, locally lockfile was updated and pushed, but on CI it still shows that lockfile is not up-to-date with package.json](https://github.com/gionkunz/chartist-js/runs/7590711885?check_suite_focus=true#step:5:11).

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pnpm@7.7.1 - pnpm generates different lockfile locally and on CI #5124

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Uh oh!

pnpm@7.7.1 - pnpm generates different lockfile locally and on CI #5124

Description

pnpm version:

Code to reproduce the issue:

Expected behavior:

Actual behavior:

Additional information:

Metadata

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