fix: wrap the go version in single quotation

From https://github.com/actions/setup-go > **Note**: Due to the peculiarities of YAML parsing, it is recommended to wrap the version in single quotation marks: > > ```yaml > go-version: '1.20' > ``` > > The recommendation is based on the YAML parser's behavior, which interprets non-wrapped values as numbers and, in the case of version 1.20, trims it down to 1.2, which may not be very obvious. Matching an unstable pre-release: