chore(deps): bump github.com/olivere/elastic/v7 from 7.0.6 to 7.0.8

Bumps [github.com/olivere/elastic/v7](https://github.com/olivere/elastic) from 7.0.6 to 7.0.8.
- [Release notes](https://github.com/olivere/elastic/releases)
- [Changelog](https://github.com/olivere/elastic/blob/release-branch.v7/CHANGELOG-3.0.md)
- [Commits](olivere/elastic@v7.0.6...v7.0.8)

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

Author: dependabot-preview[bot]

go.mod

@@ -10,7 +10,7 @@ require (
 	github.com/go-kit/kit v0.9.0
 	github.com/inloco/goavro v0.0.0-20180215164239-eba86de05ad3
 	github.com/kr/pretty v0.1.0 // indirect
-	github.com/olivere/elastic/v7 v7.0.6
+	github.com/olivere/elastic/v7 v7.0.8
 	github.com/onsi/ginkgo v1.8.0 // indirect
 	github.com/onsi/gomega v1.5.0 // indirect
 	github.com/pkg/errors v0.8.1

go.sum

@@ -85,8 +85,12 @@ github.com/mailru/easyjson v0.0.0-20190626092158-b2ccc519800e/go.mod h1:C1wdFJiN
 github.com/matttproud/golang_protobuf_extensions v1.0.1 h1:4hp9jkHxhMHkqkrB3Ix0jegS5sx/RkqARlsWZ6pIwiU=
 github.com/matttproud/golang_protobuf_extensions v1.0.1/go.mod h1:D8He9yQNgCq6Z5Ld7szi9bcBfOoFv/3dc6xSMkL2PC0=
 github.com/mwitkow/go-conntrack v0.0.0-20161129095857-cc309e4a2223/go.mod h1:qRWi+5nqEBWmkhHvq77mSJWrCKwh8bxhgT7d/eI7P4U=
+github.com/olivere/elastic v6.2.23+incompatible h1:oRGUA/8fKcnkDcqLuwGb5YCzgbgEBo+Y9gamsWqZ0qU=
+github.com/olivere/elastic v6.2.23+incompatible/go.mod h1:J+q1zQJTgAz9woqsbVRqGeB5G1iqDKVBWLNSYW8yfJ8=
 github.com/olivere/elastic/v7 v7.0.6 h1:BIzjaAYGL8Ur1pIPIpiYDvly4HkHrO/uakiV22WDEQQ=
 github.com/olivere/elastic/v7 v7.0.6/go.mod h1:nut831m8vw5KQbQxX1oXjj3/buiDpDZc5pqNVdH9xYk=
+github.com/olivere/elastic/v7 v7.0.8 h1:tp9BHGFilpoH7O7fQOwWiXJQFJkl9PZJvUwO74OvfKc=
+github.com/olivere/elastic/v7 v7.0.8/go.mod h1:UcXCjbh5xfX9uMB1VCcIYgGJBItbd4uRBdYRsBnnXHo=
 github.com/onsi/ginkgo v1.6.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE=
 github.com/onsi/ginkgo v1.7.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE=
 github.com/onsi/ginkgo v1.8.0 h1:VkHVNpR4iVnU8XQR6DBm8BqYjN7CRzw+xKUbVVbbW9w=