fix(deps): update github.com/shortlink-org/go-sdk/observability digest to 0995bc8

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
github.com/shortlink-org/go-sdk/observability	require	digest	ad66d85 → 0995bc8

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[renovate]

ℹ️ 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):

• 5 additional dependencies were updated

Details:

Package	Change
golang.org/x/mod	v0.30.0 -> v0.31.0
golang.org/x/net	v0.48.0 -> v0.49.0
golang.org/x/sys	v0.39.0 -> v0.40.0
golang.org/x/text	v0.32.0 -> v0.33.0
golang.org/x/tools	v0.39.0 -> v0.40.0