Bump go (#1041)

<!-- Provide a brief summary of your changes -->
Fixes:
https://github.com/modelcontextprotocol/registry/actions/runs/22784360696/job/66097670402
## Motivation and Context
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## How Has This Been Tested?
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tested? -->

## Breaking Changes
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## Types of changes
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the boxes that apply: -->
- [ ] Bug fix (non-breaking change which fixes an issue)
- [ ] New feature (non-breaking change which adds functionality)
- [ ] Breaking change (fix or feature that would cause existing
functionality to change)
- [ ] Documentation update

## Checklist
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that apply. -->
- [ ] I have read the [MCP
Documentation](https://modelcontextprotocol.io)
- [ ] My code follows the repository's style guidelines
- [ ] New and existing tests pass locally
- [ ] I have added appropriate error handling
- [ ] I have added or updated documentation as needed

## Additional context
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---------

Signed-off-by: Radoslav Dimitrov <radoslav@stacklok.com>

go.mod

@@ -15,6 +15,7 @@ require (
 	github.com/prometheus/client_golang v1.23.2
 	github.com/rs/cors v1.11.1
 	github.com/santhosh-tekuri/jsonschema/v5 v5.3.1
+	github.com/spf13/cobra v1.10.1
 	github.com/stretchr/testify v1.11.1
 	go.opentelemetry.io/contrib/instrumentation/runtime v0.66.0
 	go.opentelemetry.io/otel v1.41.0
@@ -52,6 +53,7 @@ require (
 	github.com/google/uuid v1.6.0 // indirect
 	github.com/googleapis/enterprise-certificate-proxy v0.3.11 // indirect
 	github.com/googleapis/gax-go/v2 v2.17.0 // indirect
+	github.com/inconshreveable/mousetrap v1.1.0 // indirect
 	github.com/jackc/pgpassfile v1.0.0 // indirect
 	github.com/jackc/pgservicefile v0.0.0-20240606120523-5a60cdf6a761 // indirect
 	github.com/jackc/puddle/v2 v2.2.2 // indirect
@@ -68,6 +70,7 @@ require (
 	github.com/prometheus/otlptranslator v1.0.0 // indirect
 	github.com/prometheus/procfs v0.19.2 // indirect
 	github.com/sirupsen/logrus v1.9.3 // indirect
+	github.com/spf13/pflag v1.0.9 // indirect
 	github.com/vbatts/tar-split v0.12.2 // indirect
 	go.opentelemetry.io/auto/sdk v1.2.1 // indirect
 	go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.61.0 // indirect