feat: update plugin @netlify/plugin-nextjs to version 5.9.0 (#1380) #806

	name: versioning
	on:
	push:
	branches:
	- main
	jobs:
	versioning:
	runs-on: ubuntu-latest
	steps:
	- name: Git checkout
	uses: actions/checkout@v4
	# Updates the list-v* git tag to version `plugins.json`.
	# Consumers must use the tag-specific deploy URL:
	# list-v*--netlify-plugins.netlify.app/plugins.json
	# This versions the syntax of `plugins.json`, not its contents.
	# The contents, i.e. the list of plugins, is versioned using the v*
	# git tag instead, which also comes with GitHub and npm releases.
	# For example:
	# - Changing a property name in `plugins.json` for all plugins
	# is a syntax breaking change (list-v* tag)
	# - Releasing a breaking change for a specific plugin in `plugins.json`
	# is a contents breaking change (v* tag + GitHub release + npm release)
	- name: Update branch
	run: \|
	git tag --force list-v2
	git push --force --tags
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

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