Bump github.com/go-sql-driver/mysql in /internal/signalfx-agent

Bumps [github.com/go-sql-driver/mysql](https://github.com/go-sql-driver/mysql) from 1.7.1 to 1.8.0.
- [Release notes](https://github.com/go-sql-driver/mysql/releases)
- [Changelog](https://github.com/go-sql-driver/mysql/blob/master/CHANGELOG.md)
- [Commits](go-sql-driver/mysql@v1.7.1...v1.8.0)

---
updated-dependencies:
- dependency-name: github.com/go-sql-driver/mysql
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

internal/signalfx-agent/go.mod

@@ -37,7 +37,7 @@ require (
 	github.com/docker/go-connections v0.4.0 // indirect
 	github.com/go-playground/locales v0.14.1
 	github.com/go-playground/universal-translator v0.18.1
-	github.com/go-sql-driver/mysql v1.7.1
+	github.com/go-sql-driver/mysql v1.8.0
 	github.com/go-test/deep v1.1.0
 	github.com/gobwas/glob v0.2.4-0.20181002190808-e7a84e9525fe
 	github.com/gogo/protobuf v1.3.2
@@ -111,6 +111,7 @@ require (
 require (
 	code.cloudfoundry.org/go-diodes v0.0.0-20180905200951-72629b5276e3 // indirect
 	code.cloudfoundry.org/rfc5424 v0.0.0-20180905210152-236a6d29298a // indirect
+	filippo.io/edwards25519 v1.1.0 // indirect
 	github.com/99designs/go-keychain v0.0.0-20191008050251-8e49817e8af4 // indirect
 	github.com/99designs/keyring v1.2.2 // indirect
 	github.com/Azure/azure-sdk-for-go/sdk/azcore v1.7.1 // indirect

internal/signalfx-agent/go.sum

@@ -5,6 +5,8 @@ code.cloudfoundry.org/rfc5424 v0.0.0-20180905210152-236a6d29298a h1:8rqv2w8xEceN
 code.cloudfoundry.org/rfc5424 v0.0.0-20180905210152-236a6d29298a/go.mod h1:tkZo8GtzBjySJ7USvxm4E36lNQw1D3xM6oKHGqdaAJ4=
 collectd.org v0.5.0 h1:y4uFSAuOmeVhG3GCRa3/oH+ysePfO/+eGJNfd0Qa3d8=
 collectd.org v0.5.0/go.mod h1:A/8DzQBkF6abtvrT2j/AU/4tiBgJWYyh0y/oB/4MlWE=
+filippo.io/edwards25519 v1.1.0 h1:FNf4tywRC1HmFuKW5xopWpigGjJKiJSV0Cqo0cJWDaA=
+filippo.io/edwards25519 v1.1.0/go.mod h1:BxyFTGdWcka3PhytdK4V28tE5sGfRvvvRV7EaN4VDT4=
 github.com/99designs/go-keychain v0.0.0-20191008050251-8e49817e8af4 h1:/vQbFIOMbk2FiG/kXiLl8BRyzTWDw7gX/Hz7Dd5eDMs=
 github.com/99designs/go-keychain v0.0.0-20191008050251-8e49817e8af4/go.mod h1:hN7oaIRCjzsZ2dE+yG5k+rsdt3qcwykqK6HVGcKwsw4=
 github.com/99designs/keyring v1.2.2 h1:pZd3neh/EmUzWONb35LxQfvuY7kiSXAq3HQd97+XBn0=
@@ -163,8 +165,8 @@ github.com/go-playground/locales v0.14.1 h1:EWaQ/wswjilfKLTECiXz7Rh+3BjFhfDFKv/o
 github.com/go-playground/locales v0.14.1/go.mod h1:hxrqLVvrK65+Rwrd5Fc6F2O76J/NuW9t0sjnWqG1slY=
 github.com/go-playground/universal-translator v0.18.1 h1:Bcnm0ZwsGyWbCzImXv+pAJnYK9S473LQFuzCbDbfSFY=
 github.com/go-playground/universal-translator v0.18.1/go.mod h1:xekY+UJKNuX9WP91TpwSH2VMlDf28Uj24BCp08ZFTUY=
-github.com/go-sql-driver/mysql v1.7.1 h1:lUIinVbN1DY0xBg0eMOzmmtGoHwWBbvnWubQUrtU8EI=
-github.com/go-sql-driver/mysql v1.7.1/go.mod h1:OXbVy3sEdcQ2Doequ6Z5BW6fXNQTmx+9S1MCJN5yJMI=
+github.com/go-sql-driver/mysql v1.8.0 h1:UtktXaU2Nb64z/pLiGIxY4431SJ4/dR5cjMmlVHgnT4=
+github.com/go-sql-driver/mysql v1.8.0/go.mod h1:wEBSXgmK//2ZFJyE+qWnIsVGmvmEKlqwuVSjsCm7DZg=
 github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/melR3HDY=
 github.com/go-stack/stack v1.8.1 h1:ntEHSVwIt7PNXNpgPmVfMrNhLtgjlmnZha2kOpuRiDw=
 github.com/go-stack/stack v1.8.1/go.mod h1:dcoOX6HbPZSZptuspn9bctJ+N/CnF5gGygcUP3XYfe4=