Update github.com/grafana/loki-client-go digest to 43add13

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
github.com/grafana/loki-client-go	require	digest	e119d40 → 43add13

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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):

• 27 additional dependencies were updated

Details:

Package	Change
github.com/prometheus/client_golang	v1.22.0 -> v1.23.2
github.com/prometheus/common	v0.65.0 -> v0.67.5
github.com/spf13/pflag	v1.0.6 -> v1.0.10
github.com/stretchr/testify	v1.10.0 -> v1.11.1
golang.org/x/exp	v0.0.0-20250620022241-b7579e27df2b -> v0.0.0-20260218203240-3dfff04db8fa
github.com/go-logr/logr	v1.4.2 -> v1.4.3
github.com/go-viper/mapstructure/v2	v2.2.1 -> v2.5.0
github.com/grafana/regexp	v0.0.0-20240518133315-a468a5bfb3bc -> v0.0.0-20250905093917-f7b3be9d1853
github.com/klauspost/compress	v1.18.0 -> v1.18.5
github.com/modern-go/reflect2	v1.0.2 -> v1.0.3-0.20250322232337-35a7c28c31ee
github.com/prometheus/procfs	v0.15.1 -> v0.16.1
github.com/prometheus/prometheus	v0.301.0 -> v0.311.2
go.opentelemetry.io/auto/sdk	v1.1.0 -> v1.2.1
go.opentelemetry.io/otel	v1.34.0 -> v1.42.0
go.opentelemetry.io/otel/metric	v1.34.0 -> v1.42.0
go.opentelemetry.io/otel/trace	v1.34.0 -> v1.42.0
golang.org/x/crypto	v0.38.0 -> v0.49.0
golang.org/x/net	v0.40.0 -> v0.52.0
golang.org/x/oauth2	v0.30.0 -> v0.36.0
golang.org/x/sync	v0.15.0 -> v0.20.0
google.golang.org/genproto/googleapis/rpc	v0.0.0-20250204164813-702378808489 -> v0.0.0-20260311181403-84a4fc48630c
google.golang.org/grpc	v1.70.0 -> v1.79.3
google.golang.org/protobuf	v1.36.6 -> v1.36.11
github.com/fsnotify/fsnotify	v1.8.0 -> v1.9.0
golang.org/x/sys	v0.33.0 -> v0.42.0
golang.org/x/term	v0.32.0 -> v0.41.0
golang.org/x/text	v0.25.0 -> v0.35.0