docs: remove obsolete problem post-install hook

[MikeMcC399]

Issue

README > Common problems > Cannot run post-install hook recommends using npm install --unsafe-perm.

Background

Currently the minimum supported version of Node.js is 18.x. The note relates to npm rather than Node.js itself. npm is bundled in Node.js.

The lowest Node.js 18.x version is Node.js 18.0.0 which bundles npm 8.6.0.

The npm CHANGELOG 7.0.0 > All Lifecycle Scripts says:

The user, group, uid, gid, and unsafe-perms configurations are no longer relevant. When npm is run as root, scripts are always run with the effective uid and gid of the working directory owner.

The lowest version of npm currently supported is 8.6.0 (see above). The conclusion is that the problem no longer applies to any currently supported version of npm and therefore the problem description is obsolete.

Change

Remove the obsolete section README > Common problems > Cannot run post-install hook.

[MikeMcC399]

Preview

https://github.com/MikeMcC399/cypress-docker-images/blob/remove/unsafe-perm/README.md#common-problems

[cypress-app-bot]

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[MikeMcC399]

failed to solve: executor failed running [/bin/sh -c bash /opt/installScripts/node/install-node-version.sh ${APPLIED_FACTORY_DEFAULT_NODE_VERSION}]: exit code: 92