Update mundialis/actinia-core Docker tag to v4 #142

	---
	# Mega-Linter GitHub Action configuration file
	# More info at https://nvuillam.github.io/mega-linter

	name: Mega-Linter

	on:
	# Trigger mega-linter at every push. Action will also be visible from Pull Requests to master

	push: # Comment this line to trigger action only on pull-requests (not recommended if you don't pay for GH Actions)
	pull_request:
	branches: [main]

	jobs:

	# Cancel duplicate jobs: https://github.com/fkirc/skip-duplicate-actions#option-3-cancellation-only

	cancel_duplicates:
	name: Cancel duplicate jobs
	runs-on: ubuntu-latest
	steps:
	- uses: fkirc/skip-duplicate-actions@master

	build:
	name: Mega-Linter
	runs-on: ubuntu-latest
	steps:

	# Git Checkout

	- name: Checkout Code
	uses: actions/checkout@v3
	with:
	fetch-depth: 0

	# Mega-Linter

	- name: Mega-Linter
	id: ml
	# You can override Mega-Linter flavor used to have faster performances
	# More info at https://nvuillam.github.io/mega-linter/flavors/

	uses: nvuillam/mega-linter@v6
	env:

	# All available variables are described in documentation
	# https://nvuillam.github.io/mega-linter/configuration/

	VALIDATE_ALL_CODEBASE: true # Validates all source when push on master, else just the git diff with master. Override with true if you always want to lint all sources
	DEFAULT_BRANCH: main
	LINTER_RULES_PATH: ./

	# ADD YOUR CUSTOM ENV VARIABLES HERE OR DEFINE THEM IN A FILE .mega-linter.yml AT THE ROOT OF YOUR REPOSITORY

	DISABLE_LINTERS: SPELL_CSPELL,PYTHON_ISORT
	DISABLE: DOCKERFILE,BASH,COPYPASTE # Uncomment to disable copy-paste and spell checks

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