feat: validate actions configuration definition #4374

Job	Run time
Installing & Building	1m 49s
Build API Reference	1m 21s
Linting & Testing (agent)	1m 50s
Linting & Testing (datasource-customizer)	1m 25s
Linting & Testing (datasource-dummy)	37s
Linting & Testing (datasource-mongoose)	1m 27s
Linting & Testing (datasource-sequelize)	53s
Linting & Testing (datasource-sql)	2m 30s
Linting & Testing (datasource-toolkit)	1m 8s
Linting & Testing (forestadmin-client)	50s
Linting & Testing (plugin-aws-s3)	40s
Linting & Testing (plugin-export-advanced)	39s
Linting & Testing (plugin-flattener)	28s
Lint commit messages	15s
Send Coverage	9s
Release packages	0s
Publish API Reference	0s
	16m 1s

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