chore(deps): bump the go_modules group across 1 directory with 3 updates

Bumps the go_modules group with 3 updates in the /backend directory: [go.opentelemetry.io/otel/sdk](https://github.com/open-telemetry/opentelemetry-go), [golang.org/x/crypto](https://github.com/golang/crypto) and [google.golang.org/grpc](https://github.com/grpc/grpc-go).


Updates `go.opentelemetry.io/otel/sdk` from 1.36.0 to 1.40.0
- [Release notes](https://github.com/open-telemetry/opentelemetry-go/releases)
- [Changelog](https://github.com/open-telemetry/opentelemetry-go/blob/main/CHANGELOG.md)
- [Commits](open-telemetry/opentelemetry-go@v1.36.0...v1.40.0)

Updates `golang.org/x/crypto` from 0.44.0 to 0.45.0
- [Commits](golang/crypto@v0.44.0...v0.45.0)

Updates `google.golang.org/grpc` from 1.73.0 to 1.79.3
- [Release notes](https://github.com/grpc/grpc-go/releases)
- [Commits](grpc/grpc-go@v1.73.0...v1.79.3)

---
updated-dependencies:
- dependency-name: go.opentelemetry.io/otel/sdk
  dependency-version: 1.40.0
  dependency-type: direct:production
  dependency-group: go_modules
- dependency-name: golang.org/x/crypto
  dependency-version: 0.45.0
  dependency-type: direct:production
  dependency-group: go_modules
- dependency-name: google.golang.org/grpc
  dependency-version: 1.79.3
  dependency-type: direct:production
  dependency-group: go_modules
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

backend/go.mod

@@ -54,22 +54,22 @@ require (
 	github.com/vxcontrol/langchaingo v0.1.14-update.5
 	github.com/wasilibs/go-re2 v1.10.0
 	github.com/xeipuuv/gojsonschema v1.2.0
-	go.opentelemetry.io/otel v1.38.0
+	go.opentelemetry.io/otel v1.40.0
 	go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploggrpc v0.9.0
 	go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc v1.34.0
 	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.34.0
 	go.opentelemetry.io/otel/log v0.9.0
-	go.opentelemetry.io/otel/metric v1.38.0
-	go.opentelemetry.io/otel/sdk v1.36.0
+	go.opentelemetry.io/otel/metric v1.40.0
+	go.opentelemetry.io/otel/sdk v1.40.0
 	go.opentelemetry.io/otel/sdk/log v0.9.0
-	go.opentelemetry.io/otel/sdk/metric v1.36.0
-	go.opentelemetry.io/otel/trace v1.38.0
-	golang.org/x/crypto v0.44.0
-	golang.org/x/net v0.47.0
-	golang.org/x/oauth2 v0.30.0
+	go.opentelemetry.io/otel/sdk/metric v1.40.0
+	go.opentelemetry.io/otel/trace v1.40.0
+	golang.org/x/crypto v0.46.0
+	golang.org/x/net v0.48.0
+	golang.org/x/oauth2 v0.34.0
 	golang.org/x/sys v0.40.0
 	google.golang.org/api v0.238.0
-	google.golang.org/grpc v1.73.0
+	google.golang.org/grpc v1.79.3
 	gopkg.in/yaml.v3 v3.0.1
 )
 
@@ -78,7 +78,7 @@ require (
 	cloud.google.com/go/aiplatform v1.85.0 // indirect
 	cloud.google.com/go/auth v0.16.2 // indirect
 	cloud.google.com/go/auth/oauth2adapt v0.2.8 // indirect
-	cloud.google.com/go/compute/metadata v0.7.0 // indirect
+	cloud.google.com/go/compute/metadata v0.9.0 // indirect
 	cloud.google.com/go/iam v1.5.2 // indirect
 	cloud.google.com/go/longrunning v0.6.7 // indirect
 	cloud.google.com/go/vertexai v0.12.0 // indirect
@@ -109,6 +109,7 @@ require (
 	github.com/bytedance/sonic/loader v0.1.1 // indirect
 	github.com/cenkalti/backoff v2.2.1+incompatible // indirect
 	github.com/cenkalti/backoff/v4 v4.3.0 // indirect
+	github.com/cespare/xxhash/v2 v2.3.0 // indirect
 	github.com/charmbracelet/colorprofile v0.3.1 // indirect
 	github.com/charmbracelet/x/cellbuf v0.0.13-0.20250311204145-2c3ea96c31dd // indirect
 	github.com/charmbracelet/x/term v0.2.1 // indirect
@@ -127,7 +128,7 @@ require (
 	github.com/gabriel-vasile/mimetype v1.4.9 // indirect
 	github.com/gage-technologies/mistral-go v1.1.0 // indirect
 	github.com/gin-contrib/sse v0.1.0 // indirect
-	github.com/go-jose/go-jose/v4 v4.0.5 // indirect
+	github.com/go-jose/go-jose/v4 v4.1.3 // indirect
 	github.com/go-logr/logr v1.4.3 // indirect
 	github.com/go-logr/stdr v1.2.2 // indirect
 	github.com/go-openapi/jsonpointer v0.21.0 // indirect
@@ -220,16 +221,16 @@ require (
 	go.uber.org/multierr v1.11.0 // indirect
 	golang.org/x/arch v0.8.0 // indirect
 	golang.org/x/mod v0.30.0 // indirect
-	golang.org/x/sync v0.18.0 // indirect
-	golang.org/x/term v0.37.0 // indirect
-	golang.org/x/text v0.31.0 // indirect
+	golang.org/x/sync v0.19.0 // indirect
+	golang.org/x/term v0.38.0 // indirect
+	golang.org/x/text v0.32.0 // indirect
 	golang.org/x/time v0.12.0 // indirect
-	golang.org/x/tools v0.38.0 // indirect
+	golang.org/x/tools v0.39.0 // indirect
 	google.golang.org/genai v1.42.0 // indirect
 	google.golang.org/genproto v0.0.0-20250505200425-f936aa4a68b2 // indirect
-	google.golang.org/genproto/googleapis/api v0.0.0-20250505200425-f936aa4a68b2 // indirect
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20250603155806-513f23925822 // indirect
-	google.golang.org/protobuf v1.36.6 // indirect
+	google.golang.org/genproto/googleapis/api v0.0.0-20251202230838-ff82c1b0f217 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20251202230838-ff82c1b0f217 // indirect
+	google.golang.org/protobuf v1.36.10 // indirect
 	gotest.tools/v3 v3.5.1 // indirect
 	nhooyr.io/websocket v1.8.7 // indirect
 )