I encoutered an issue where tokens were being created without TTLs and
thus clogging up the storage of the system. I haven't found a smoking
gun pointing to this being the cause, but I do suspect that it's
_something_ to do with the Vault/Crossplane integration, since a) that's
really my only use-case for Vault, and b) there's the string
`vault-provider` in the display_name below:
```
$ vault token lookup -accessor zcRF0YAUQtP7vrbZHTW5y322
Key Value
--- -----
accessor zcRF0YAUQtP7vrbZHTW5y322
creation_time 1715766311
creation_ttl 0s
display_name token-vault-provider-token
entity_id n/a
expire_time <nil>
explicit_max_ttl 0s
id n/a
issue_time 2024-05-15T09:45:11.720412011Z
meta <nil>
num_uses 0
orphan false
path auth/token/create
policies [root]
renewable false
ttl 0s
type service
```
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