build(deps): bump go.opentelemetry.io/otel/trace in /propagators/b3

Bumps [go.opentelemetry.io/otel/trace](https://github.com/open-telemetry/opentelemetry-go) from 1.0.0-RC3 to 1.0.0.
- [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@v1.0.0-RC3...v1.0.0)

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

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

propagators/b3/go.mod

@@ -5,6 +5,6 @@ go 1.15
 require (
 	github.com/google/go-cmp v0.5.6
 	github.com/stretchr/testify v1.7.0
-	go.opentelemetry.io/otel v1.0.0-RC3
-	go.opentelemetry.io/otel/trace v1.0.0-RC3
+	go.opentelemetry.io/otel v1.0.0
+	go.opentelemetry.io/otel/trace v1.0.0
 )

propagators/b3/go.sum

@@ -7,10 +7,10 @@ github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZN
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
 github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
-go.opentelemetry.io/otel v1.0.0-RC3 h1:kvwiyEkiUT/JaadXzVLI/R1wDO934A7r3Bs2wEe6wqA=
-go.opentelemetry.io/otel v1.0.0-RC3/go.mod h1:Ka5j3ua8tZs4Rkq4Ex3hwgBgOchyPVq5S6P2lz//nKQ=
-go.opentelemetry.io/otel/trace v1.0.0-RC3 h1:9F0ayEvlxv8BmNmPbU005WK7hC+7KbOazCPZjNa1yME=
-go.opentelemetry.io/otel/trace v1.0.0-RC3/go.mod h1:VUt2TUYd8S2/ZRX09ZDFZQwn2RqfMB5MzO17jBojGxo=
+go.opentelemetry.io/otel v1.0.0 h1:qTTn6x71GVBvoafHK/yaRUmFzI4LcONZD0/kXxl5PHI=
+go.opentelemetry.io/otel v1.0.0/go.mod h1:AjRVh9A5/5DE7S+mZtTR6t8vpKKryam+0lREnfmS4cg=
+go.opentelemetry.io/otel/trace v1.0.0 h1:TSBr8GTEtKevYMG/2d21M989r5WJYVimhTHBKVEZuh4=
+go.opentelemetry.io/otel/trace v1.0.0/go.mod h1:PXTWqayeFUlJV1YDNhsJYB184+IvAH814St6o6ajzIs=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=