/home/runner/work/maintainer-tools/maintainer-tools/./.github/actions/base-setup/action.yml (Line: 127, Col: 11): Unexpected symbol: '"Windows"'. Located at position 14 within expression: runner.os != "Windows"

/home/runner/work/maintainer-tools/maintainer-tools/./.github/actions/base-setup/action.yml (Line: 127, Col: 11): Unexpected symbol: '${{'. Located at position 1 within expression: ${{ runner.os != "Windows" }}

GitHub.DistributedTask.ObjectTemplating.TemplateValidationException: The template is not valid. /home/runner/work/maintainer-tools/maintainer-tools/./.github/actions/base-setup/action.yml (Line: 127, Col: 11): Unexpected symbol: '"Windows"'. Located at position 14 within expression: runner.os != "Windows",/home/runner/work/maintainer-tools/maintainer-tools/./.github/actions/base-setup/action.yml (Line: 127, Col: 11): Unexpected symbol: '${{'. Located at position 1 within expression: ${{ runner.os != "Windows" }} 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)