Bump go.uber.org/zap in /extension/observer/ecsobserver

Bumps [go.uber.org/zap](https://github.com/uber-go/zap) from 1.21.0 to 1.26.0.
- [Release notes](https://github.com/uber-go/zap/releases)
- [Changelog](https://github.com/uber-go/zap/blob/master/CHANGELOG.md)
- [Commits](uber-go/zap@v1.21.0...v1.26.0)

---
updated-dependencies:
- dependency-name: go.uber.org/zap
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

extension/observer/ecsobserver/go.mod

@@ -5,10 +5,10 @@ go 1.17
 require (
 	github.com/aws/aws-sdk-go v1.43.37
 	github.com/hashicorp/golang-lru v0.5.4
-	github.com/stretchr/testify v1.7.1
+	github.com/stretchr/testify v1.8.1
 	go.opentelemetry.io/collector v0.49.0
-	go.uber.org/multierr v1.8.0
-	go.uber.org/zap v1.21.0
+	go.uber.org/multierr v1.10.0
+	go.uber.org/zap v1.26.0
 	gopkg.in/yaml.v2 v2.4.0
 )
 
@@ -28,7 +28,6 @@ require (
 	go.opentelemetry.io/otel v1.6.3 // indirect
 	go.opentelemetry.io/otel/metric v0.29.0 // indirect
 	go.opentelemetry.io/otel/trace v1.6.3 // indirect
-	go.uber.org/atomic v1.9.0 // indirect
 	gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c // indirect
-	gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
 )