Bump github.com/nginxinc/nginx-plus-go-client from 0.8.0 to 0.9.0 (#216)

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

Author: dependabot[bot]

go.mod

@@ -3,7 +3,7 @@ module github.com/nginxinc/nginx-prometheus-exporter
 go 1.17
 
 require (
-	github.com/nginxinc/nginx-plus-go-client v0.8.0
+	github.com/nginxinc/nginx-plus-go-client v0.9.0
 	github.com/prometheus/client_golang v1.11.0
 	github.com/prometheus/common v0.31.0
 )

go.sum

@@ -144,8 +144,8 @@ github.com/modern-go/reflect2 v0.0.0-20180701023420-4b7aa43c6742/go.mod h1:bx2lN
 github.com/modern-go/reflect2 v1.0.1/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3RllmbCylyMrvgv0=
 github.com/mwitkow/go-conntrack v0.0.0-20161129095857-cc309e4a2223/go.mod h1:qRWi+5nqEBWmkhHvq77mSJWrCKwh8bxhgT7d/eI7P4U=
 github.com/mwitkow/go-conntrack v0.0.0-20190716064945-2f068394615f/go.mod h1:qRWi+5nqEBWmkhHvq77mSJWrCKwh8bxhgT7d/eI7P4U=
-github.com/nginxinc/nginx-plus-go-client v0.8.0 h1:J/HcWx9MxBLg0Yd9YdrXNtmOc+aVnV9Z5jAb2HmYoWg=
-github.com/nginxinc/nginx-plus-go-client v0.8.0/go.mod h1:DBAmdDP71tOhgFPdCMVusegzdKmLVpVL0nVcMX17pbY=
+github.com/nginxinc/nginx-plus-go-client v0.9.0 h1:vHmdSaJ7rjXbU0kMFUGwVu9QLLVJbk+lQo+WDLCm8P0=
+github.com/nginxinc/nginx-plus-go-client v0.9.0/go.mod h1:FTxOV1t0yFEP/E5gXlI2QyWTOfMZCGObFKhdfHYxBm8=
 github.com/pkg/errors v0.8.0/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=