GitHub.DistributedTask.ObjectTemplating.TemplateValidationException: The template is not valid. /home/runner/work/NRedisStack/NRedisStack/./.github/actions/run-tests/action.yml (Line: 77, Col: 7): Required property is missing: shell,/home/runner/work/NRedisStack/NRedisStack/./.github/actions/run-tests/action.yml (Line: 82, Col: 7): Required property is missing: shell,/home/runner/work/NRedisStack/NRedisStack/./.github/actions/run-tests/action.yml (Line: 84, Col: 7): Required property is missing: shell,/home/runner/work/NRedisStack/NRedisStack/./.github/actions/run-tests/action.yml (Line: 86, Col: 7): Required property is missing: shell,/home/runner/work/NRedisStack/NRedisStack/./.github/actions/run-tests/action.yml (Line: 88, Col: 7): Required property is missing: shell,/home/runner/work/NRedisStack/NRedisStack/./.github/actions/run-tests/action.yml (Line: 91, Col: 7): Required property is missing: shell,/home/runner/work/NRedisStack/NRedisStack/./.github/actions/run-tests/action.yml (Line: 94, Col: 7): Required property is missing: shell,/home/runner/work/NRedisStack/NRedisStack/./.github/actions/run-tests/action.yml (Line: 104, Col: 7): Required property is missing: shell,/home/runner/work/NRedisStack/NRedisStack/./.github/actions/run-tests/action.yml (Line: 107, Col: 7): Required property is missing: shell at GitHub.DistributedTask.ObjectTemplating.TemplateValidationErrors.Check() at GitHub.Runner.Worker.ActionManifestManager.ConvertRuns(IExecutionContext executionContext, TemplateContext templateContext, TemplateToken inputsToken, String fileRelativePath, MappingToken outputs) at GitHub.Runner.Worker.ActionManifestManager.Load(IExecutionContext executionContext, String manifestFile)