chore(deps): update opi sztp dockers

[renovate[bot]]

This PR contains the following updates:

Package	Update	Change
ghcr.io/opiproject/opi-sztp-client	digest	fe0dde6 -> f4c5bc1
ghcr.io/opiproject/opi-sztp-server	digest	eb0a18d -> e4fa158

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