fix(deps): update module buf.build/gen/go/coscene-io/coscene-openapi/connectrpc/go to v1.20.0-20260729110633-6566fd75c241.1

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
buf.build/gen/go/coscene-io/coscene-openapi/connectrpc/go	v1.19.1-20251226070313-d49f689cdc34.2 → v1.20.0-20260729110633-6566fd75c241.1

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[renovate]

ℹ️ Artifact update notice

File name: go.mod

In order to perform the update(s) described in the table above, Renovate ran the go get command, which resulted in the following additional change(s):

• 2 additional dependencies were updated

Details:

Package	Change
buf.build/gen/go/coscene-io/coscene-openapi/protocolbuffers/go	v1.36.11-20251226070313-d49f689cdc34.1 -> v1.36.11-20260729110633-6566fd75c241.1
connectrpc.com/connect	v1.19.2 -> v1.20.0