feat: add auto-update versions workflow #7

	name: Auto-update versions
	#
	# Takes care of updating the Vespa version in the documentation.
	#

	on:
	workflow_dispatch: # Allow manual triggering of the workflow

	schedule:
	- cron: "0 0 * * *"

	repository_dispatch:
	types: [update-vespa-version]

	# For testing purposes
	push:
	branches: [auto-update-versions]

	permissions:
	contents: write
	pull-requests: write

	jobs:
	update-vespa-version:
	runs-on: ubuntu-24.04

	steps:
	- uses: actions/checkout@v4

	- name: Setup Dependencies
	run: \|
	sudo apt-get update
	sudo apt-get install -y xq

	- name: Get Latest Vespa version
	run: \|
	VESPA_VERSION=$(curl -sSL https://repo1.maven.org/maven2/com/yahoo/vespa/parent/maven-metadata.xml \| \
	xq -x '/metadata/versioning/latest')

	echo "Vespa version: $VESPA_VERSION"

	sed -i'' "s/vespa_version: \"[0-9\.]*\"/vespa_version: \"\${VESPA_VERSION}\"/" _config.yml
	git diff

	changes=\$(git status --porcelain \| wc -l)
	if (( changes > 0 )); then
	echo "Updating Vespa version in documentation to \${VESPA_VERSION}"
	git commit -m "Update Vespa-version to \${VESPA_VERSION} MERGEOK" _config.yml
	git pull --rebase
	# Temp disabled while testing
	# git push
	fi

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