GitHub.DistributedTask.ObjectTemplating.TemplateValidationException: The template is not valid. /Users/runner/work/wcalc/wcalc/./.github/workflows/common/action.yml (Line: 6, Col: 7): Required property is missing: shell,/Users/runner/work/wcalc/wcalc/./.github/workflows/common/action.yml (Line: 9, Col: 7): Required property is missing: shell,/Users/runner/work/wcalc/wcalc/./.github/workflows/common/action.yml (Line: 13, Col: 7): Required property is missing: shell,/Users/runner/work/wcalc/wcalc/./.github/workflows/common/action.yml (Line: 16, Col: 7): Required property is missing: shell,/Users/runner/work/wcalc/wcalc/./.github/workflows/common/action.yml (Line: 22, Col: 7): Required property is missing: shell,/Users/runner/work/wcalc/wcalc/./.github/workflows/common/action.yml (Line: 27, Col: 7): Required property is missing: shell,/Users/runner/work/wcalc/wcalc/./.github/workflows/common/action.yml (Line: 30, 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)