fix npm

[Thovi98]

Problem

• Description of why you made this PR

My instance failed to upgrade

Solution

• And how do you fix that problem

Upgrade npm version

PR Status

• [x] Code finished and ready to be reviewed/tested
• [x] The fix/enhancement were manually tested (if applicable)

Automatic tests

Automatic tests can be triggered on https://ci-apps-dev.yunohost.org/ after creating the PR, by commenting "!testme", "!gogogadgetoci" or "By the power of systemd, I invoke The Great App CI to test this Pull Request!". (N.B. : for this to work you need to be a member of the Yunohost-Apps organization)

[Thovi98]

!testme

[yunohost-bot]

:stuck_out_tongue_winking_eye:

[navanchauhan]

@Thovi98 is this PR ready to be tested?

[Thovi98]

Better: it has been tested 😁 But as nobody seems to have the same issue as me, there is no hurry and it can wait the next release (but no issue to already merge it to testing).