build(deps): bump go.opentelemetry.io/otel/sdk in /otelfiber/example

Bumps [go.opentelemetry.io/otel/sdk](https://github.com/open-telemetry/opentelemetry-go) from 1.20.0 to 1.21.0.
- [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@v1.20.0...v1.21.0)

---
updated-dependencies:
- dependency-name: go.opentelemetry.io/otel/sdk
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

otelfiber/example/go.mod

@@ -7,10 +7,10 @@ replace github.com/gofiber/contrib/otelfiber => ../
 require (
 	github.com/gofiber/contrib/otelfiber v1.0.9
 	github.com/gofiber/fiber/v2 v2.51.0
-	go.opentelemetry.io/otel v1.20.0
+	go.opentelemetry.io/otel v1.21.0
 	go.opentelemetry.io/otel/exporters/stdout/stdouttrace v1.20.0
-	go.opentelemetry.io/otel/sdk v1.20.0
-	go.opentelemetry.io/otel/trace v1.20.0
+	go.opentelemetry.io/otel/sdk v1.21.0
+	go.opentelemetry.io/otel/trace v1.21.0
 
 )
 
@@ -28,6 +28,6 @@ require (
 	github.com/valyala/fasthttp v1.50.0 // indirect
 	github.com/valyala/tcplisten v1.0.0 // indirect
 	go.opentelemetry.io/contrib v1.20.0 // indirect
-	go.opentelemetry.io/otel/metric v1.20.0 // indirect
+	go.opentelemetry.io/otel/metric v1.21.0 // indirect
 	golang.org/x/sys v0.14.0 // indirect
 )

otelfiber/example/go.sum

@@ -33,16 +33,16 @@ github.com/valyala/tcplisten v1.0.0 h1:rBHj/Xf+E1tRGZyWIWwJDiRY0zc1Js+CV5DqwacVS
 github.com/valyala/tcplisten v1.0.0/go.mod h1:T0xQ8SeCZGxckz9qRXTfG43PvQ/mcWh7FwZEA7Ioqkc=
 go.opentelemetry.io/contrib v1.20.0 h1:oXUiIQLlkbi9uZB/bt5B1WRLsrTKqb7bPpAQ+6htn2w=
 go.opentelemetry.io/contrib v1.20.0/go.mod h1:gIzjwWFoGazJmtCaDgViqOSJPde2mCWzv60o0bWPcZs=
-go.opentelemetry.io/otel v1.20.0 h1:vsb/ggIY+hUjD/zCAQHpzTmndPqv/ml2ArbsbfBYTAc=
-go.opentelemetry.io/otel v1.20.0/go.mod h1:oUIGj3D77RwJdM6PPZImDpSZGDvkD9fhesHny69JFrs=
+go.opentelemetry.io/otel v1.21.0 h1:hzLeKBZEL7Okw2mGzZ0cc4k/A7Fta0uoPgaJCr8fsFc=
+go.opentelemetry.io/otel v1.21.0/go.mod h1:QZzNPQPm1zLX4gZK4cMi+71eaorMSGT3A4znnUvNNEo=
 go.opentelemetry.io/otel/exporters/stdout/stdouttrace v1.20.0 h1:4s9HxB4azeeQkhY0GE5wZlMj4/pz8tE5gx2OQpGUw58=
 go.opentelemetry.io/otel/exporters/stdout/stdouttrace v1.20.0/go.mod h1:djVA3TUJ2fSdMX0JE5XxFBOaZzprElJoP7fD4vnV2SU=
-go.opentelemetry.io/otel/metric v1.20.0 h1:ZlrO8Hu9+GAhnepmRGhSU7/VkpjrNowxRN9GyKR4wzA=
-go.opentelemetry.io/otel/metric v1.20.0/go.mod h1:90DRw3nfK4D7Sm/75yQ00gTJxtkBxX+wu6YaNymbpVM=
-go.opentelemetry.io/otel/sdk v1.20.0 h1:5Jf6imeFZlZtKv9Qbo6qt2ZkmWtdWx/wzcCbNUlAWGM=
-go.opentelemetry.io/otel/sdk v1.20.0/go.mod h1:rmkSx1cZCm/tn16iWDn1GQbLtsW/LvsdEEFzCSRM6V0=
-go.opentelemetry.io/otel/trace v1.20.0 h1:+yxVAPZPbQhbC3OfAkeIVTky6iTFpcr4SiY9om7mXSQ=
-go.opentelemetry.io/otel/trace v1.20.0/go.mod h1:HJSK7F/hA5RlzpZ0zKDCHCDHm556LCDtKaAo6JmBFUU=
+go.opentelemetry.io/otel/metric v1.21.0 h1:tlYWfeo+Bocx5kLEloTjbcDwBuELRrIFxwdQ36PlJu4=
+go.opentelemetry.io/otel/metric v1.21.0/go.mod h1:o1p3CA8nNHW8j5yuQLdc1eeqEaPfzug24uvsyIEJRWM=
+go.opentelemetry.io/otel/sdk v1.21.0 h1:FTt8qirL1EysG6sTQRZ5TokkU8d0ugCj8htOgThZXQ8=
+go.opentelemetry.io/otel/sdk v1.21.0/go.mod h1:Nna6Yv7PWTdgJHVRD9hIYywQBRx7pbox6nwBnZIxl/E=
+go.opentelemetry.io/otel/trace v1.21.0 h1:WD9i5gzvoUPuXIXH24ZNBudiarZDKuekPqi/E8fpfLc=
+go.opentelemetry.io/otel/trace v1.21.0/go.mod h1:LGbsEB0f9LGjN+OZaQQ26sohbOmiMR+BaslueVtS/qQ=
 golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.14.0 h1:Vz7Qs629MkJkGyHxUlRHizWJRG2j8fbQKjELVSNhy7Q=