Update dependency buf to v1.48.0

[grafanarenovatebot]

This PR contains the following updates:

Package	Update	Change
buf	minor	v1.47.2 -> v1.48.0

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Release Notes

bufbuild/buf (buf)

v1.48.0

Compare Source

• Add buf registry plugin {create,delete,info,update} commands to manage BSR plugins.
• Breaking analysis support for buf beta lsp.
• Fix bug when using the --type flag filter for buf build where import ordering is not
  determinisitic.
• Add buf plugin push command to push a plugin to the Buf Schema Registry.
  Only WebAssembly check plugins are supported at this time.
• Add buf plugin update and buf plugin prune command to manage plugins in the buf.lock
  file. Only WebAssembly check plugins are supported at this time.
• Add buf registry plugin commit {add-label,info,list,resolve} to manage BSR plugin commits.
• Add buf registry plugin label {archive,info,list,unarchive} to manage BSR plugin commits.
• Move buf registry module update to buf registry module settings update. Command
  buf registry module update is now deprecated.
• Support remote check plugins in buf lint and buf breaking commands.

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