chore(submodules): update external submodules

[renovate[bot]]

This PR contains the following updates:

Package	Update	Change
external/googleapis	digest	7a1cb37 -> fd4c66c
external/grpc-gateway	digest	88aca06 -> 59601f9
external/protoc-gen-validate	digest	4e1870c -> 91a27ac
external/zitadel	digest	e4a4b7c -> 6774e7f

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[github-actions[bot]]

:tada: This PR is included in version 1.1.85 :tada:

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