spicedb: Set version flag

[jensbin]

Description of changes

Set version flag according to spicedb goreleaser Before:

$ spicedb version
spicedb (devel)

$ zed version
zed (devel)

After:

$ spicedb version
spicedb v1.33.0

$ zed version
zed v0.18.1

Things done

• Built on platform(s)
  • [x] x86_64-linux
  • [ ] aarch64-linux
  • [ ] x86_64-darwin
  • [ ] aarch64-darwin

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