Update dependency go to v1.26.1

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
go (source)	toolchain	patch	1.26.0 → 1.26.1

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Release Notes

golang/go (go)

v1.26.1

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Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Enabled.

♻ Rebasing: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

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• If you want to rebase/retry this PR, check this box

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[renovate]

⚠️ Artifact update problem

Renovate failed to update an artifact related to this branch. You probably do not want to merge this PR as-is.

♻ Renovate will retry this branch, including artifacts, only when one of the following happens:

• any of the package files in this branch needs updating, or
• the branch becomes conflicted, or
• you click the rebase/retry checkbox if found above, or
• you rename this PR's title to start with "rebase!" to trigger it manually

The artifact failure details are included below:

File name: cmd/signoz/hotrod/go.sum

Command failed: go get -t ./...
go: downloading github.com/spf13/cobra v1.10.2
go: downloading github.com/uber/jaeger-lib v2.4.1+incompatible
go: downloading go.uber.org/zap v1.27.1
go: downloading github.com/opentracing/opentracing-go v1.2.0
go: downloading github.com/uber/jaeger-client-go v2.30.0+incompatible
go: downloading github.com/opentracing-contrib/go-stdlib v1.1.1
go: downloading github.com/gogo/protobuf v1.3.2
go: downloading github.com/opentracing-contrib/go-grpc v0.1.2
go: downloading google.golang.org/grpc v1.79.1
go: downloading github.com/jaegertracing/jaeger v1.76.0
go: downloading github.com/prometheus/client_golang v1.23.2
go: downloading github.com/inconshreveable/mousetrap v1.1.0
go: downloading github.com/spf13/pflag v1.0.10
go: downloading go.uber.org/multierr v1.11.0
go: downloading go.uber.org/atomic v1.11.0
go: downloading github.com/pkg/errors v0.9.1
go: downloading golang.org/x/net v0.48.0
go: downloading github.com/prometheus/client_model v0.6.2
go: downloading github.com/prometheus/common v0.67.2
go: downloading github.com/go-kit/kit v0.13.0
go: downloading github.com/beorn7/perks v1.0.1
go: downloading github.com/prometheus/procfs v0.17.0
go: downloading golang.org/x/sys v0.39.0
go: downloading google.golang.org/protobuf v1.36.10
go: downloading google.golang.org/genproto/googleapis/rpc v0.0.0-20251202230838-ff82c1b0f217
go: downloading github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822
go: downloading go.yaml.in/yaml/v2 v2.4.3
go: downloading github.com/VividCortex/gohistogram v1.0.0
go: downloading golang.org/x/text v0.32.0
go: github.com/tullo/otel-workshop/cmd/signoz/hotrod/services/frontend imports
	github.com/jaegertracing/jaeger/pkg/httpfs: cannot find module providing package github.com/jaegertracing/jaeger/pkg/httpfs