build(deps): Bump github.com/uptrace/uptrace-go (#2444)

Bumps [github.com/uptrace/uptrace-go](https://github.com/uptrace/uptrace-go) from 0.8.1 to 0.8.2.
- [Release notes](https://github.com/uptrace/uptrace-go/releases)
- [Changelog](https://github.com/uptrace/uptrace-go/blob/master/CHANGELOG.md)
- [Commits](uptrace/uptrace-go@v0.8.1...v0.8.2)

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

exporter/uptraceexporter/go.mod

@@ -4,7 +4,7 @@ go 1.14
 
 require (
 	github.com/stretchr/testify v1.7.0
-	github.com/uptrace/uptrace-go v0.8.1
+	github.com/uptrace/uptrace-go v0.8.2
 	go.opentelemetry.io/collector v0.20.1-0.20210222231653-a04feee5a0cb
 	go.uber.org/zap v1.16.0
 )

exporter/uptraceexporter/go.sum

@@ -964,8 +964,8 @@ github.com/uber/jaeger-lib v2.4.0+incompatible h1:fY7QsGQWiCt8pajv4r7JEvmATdCVaW
 github.com/uber/jaeger-lib v2.4.0+incompatible/go.mod h1:ComeNDZlWwrWnDv8aPp0Ba6+uUTzImX/AauajbLI56U=
 github.com/ugorji/go v1.1.4/go.mod h1:uQMGLiO92mf5W77hV/PUCpI3pbzQx3CRekS0kk+RGrc=
 github.com/ugorji/go/codec v0.0.0-20181204163529-d75b2dcb6bc8/go.mod h1:VFNgLljTbGfSG7qAOspJ7OScBnGdDN/yBr0sguwnwf0=
-github.com/uptrace/uptrace-go v0.8.1 h1:kpL5hsqaC66Kcp9Z1pXeQnRnnVrwXMeQwz62O/zmZys=
-github.com/uptrace/uptrace-go v0.8.1/go.mod h1:fDEjiX8Vqu0Aniz2o5rZNtD7+mwEtkVi/0SG4Czy/zQ=
+github.com/uptrace/uptrace-go v0.8.2 h1:wYKG2TVdNAJ5091BkfOCpSJwE1ufhdfRfSOKcoU1WE0=
+github.com/uptrace/uptrace-go v0.8.2/go.mod h1:fDEjiX8Vqu0Aniz2o5rZNtD7+mwEtkVi/0SG4Czy/zQ=
 github.com/urfave/cli v1.20.0/go.mod h1:70zkFmudgCuE/ngEzBv17Jvp/497gISqfk5gWijbERA=
 github.com/urfave/cli v1.22.1/go.mod h1:Gos4lmkARVdJ6EkW0WaNv/tZAAMe9V7XWyB60NtXRu0=
 github.com/vektah/gqlparser v1.1.2/go.mod h1:1ycwN7Ij5njmMkPPAOaRFY4rET2Enx7IkVv3vaXspKw=