/home/runner/work/ephemeral-environment-action/ephemeral-environment-action/./action.yml (Line: 21, Col: 9): Unexpected symbol: '"pull_request"'. Located at position 22 within expression: github.event_name != "pull_request"

/home/runner/work/ephemeral-environment-action/ephemeral-environment-action/./action.yml (Line: 21, Col: 9): Unexpected symbol: '${{'. Located at position 1 within expression: ${{ github.event_name != "pull_request" }}

GitHub.DistributedTask.ObjectTemplating.TemplateValidationException: The template is not valid. /home/runner/work/ephemeral-environment-action/ephemeral-environment-action/./action.yml (Line: 21, Col: 9): Unexpected symbol: '"pull_request"'. Located at position 22 within expression: github.event_name != "pull_request",/home/runner/work/ephemeral-environment-action/ephemeral-environment-action/./action.yml (Line: 21, Col: 9): Unexpected symbol: '${{'. Located at position 1 within expression: ${{ github.event_name != "pull_request" }} 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)