Failed to load /home/runner/work/poe-command-processor/poe-command-processor/./action.yml

GitHub.DistributedTask.ObjectTemplating.TemplateValidationException: The template is not valid. /home/runner/work/poe-command-processor/poe-command-processor/./action.yml (Line: 109, Col: 15): Unexpected symbol: '+'. Located at position 43 within expression: inputs.start-message || ('**Running `poe' + steps.resolve-command.outputs.command + '`...**'),/home/runner/work/poe-command-processor/poe-command-processor/./action.yml (Line: 224, Col: 15): Unexpected symbol: '+'. Located at position 49 within expression: inputs.success-message || (' 🟦 Poe command `' + steps.resolve-command.outputs.command + '` completed successfully.'),/home/runner/work/poe-command-processor/poe-command-processor/./action.yml (Line: 233, Col: 15): Unexpected symbol: '+'. Located at position 46 within expression: inputs.failure-message || ('❌ Poe command `' + steps.resolve-command.outputs.command + '` failed. Please inspect the logs.') 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)

/home/runner/work/poe-command-processor/poe-command-processor/./action.yml (Line: 233, Col: 15): Unexpected symbol: '+'. Located at position 46 within expression: inputs.failure-message || ('❌ Poe command `' + steps.resolve-command.outputs.command + '` failed. Please inspect the logs.')

/home/runner/work/poe-command-processor/poe-command-processor/./action.yml (Line: 224, Col: 15): Unexpected symbol: '+'. Located at position 49 within expression: inputs.success-message || (' 🟦 Poe command `' + steps.resolve-command.outputs.command + '` completed successfully.')