### Description The PyPI PackageMetadata endpoint recreates a template renderer on every call: https://github.com/go-gitea/gitea/blob/9d9bf66c3b3fd8462e4db36458d333223c3b11a7/routers/api/packages/pypi/pypi.go#L61 This involves reading and parsing templates for all possible templates. The templates should be being shared. ### Gitea Version 1.17+ ### Can you reproduce the bug on the Gitea demo site? Yes ### Log Gist _No response_ ### Screenshots _No response_ ### Git Version _No response_ ### Operating System _No response_ ### How are you running Gitea? N/A ### Database _No response_