* Experiment with issuing SVIDs from `tbot`
* Fix missing license headers
* Remove interceptors for now
* Add basic required grpc server interceptors
* Break out CA rotation handler
* Tidy up service structure and omit more cert attributes
* Various tidying and adding godoc comments
* Move dependency to main require block
* Fix tests and add test for spiffe-workload-api in config
* Add config tests for SPIFFESVIDOutput
* Add config tests for SPIFFEWorkloadAPIService
* Add otel spans
* Add e2e test for the spiffe workload api functionality
* Fix trust bundle fetching to use correct client
* Reuse outputs service to produce identity for spiffe workload service
* Add godocs for SPIFFESVIDOUTPUT
* Tidy up Render
* Add consts for pem types
* Improve logging
Co-authored-by: Isaiah Becker-Mayer <isaiah@goteleport.com>
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Co-authored-by: Isaiah Becker-Mayer <isaiah@goteleport.com>