fix(deps): update github.com/shortlink-org/go-sdk/auth digest to 4c6548e

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
github.com/shortlink-org/go-sdk/auth (changelog)	require	digest	f595776 -> 4c6548e

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[renovate]

ℹ Artifact update notice

File name: auth/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):

• 9 additional dependencies were updated

Details:

Package	Change
github.com/shortlink-org/go-sdk/config	v0.0.0-20251104190226-1675eff9fff6 -> v0.0.0-20251121191713-160ea5dd70ad
github.com/shortlink-org/go-sdk/grpc	v0.0.0-20251104190226-1675eff9fff6 -> v0.0.0-20251108145352-f59577605d0a
github.com/klauspost/compress	v1.18.0 -> v1.18.1
github.com/ory/client-go	v1.22.8 -> v1.22.12
go.opentelemetry.io/auto/sdk	v1.1.0 -> v1.2.1
golang.org/x/oauth2	v0.32.0 -> v0.33.0
google.golang.org/genproto/googleapis/api	v0.0.0-20250929231259-57b25ae835d4 -> v0.0.0-20251022142026-3a174f9686a8
google.golang.org/genproto/googleapis/rpc	v0.0.0-20250929231259-57b25ae835d4 -> v0.0.0-20251022142026-3a174f9686a8
google.golang.org/grpc	v1.76.0 -> v1.77.0