Bump github.com/prometheus/exporter-toolkit from 0.6.1 to 0.7.3 (#11)

Bumps [github.com/prometheus/exporter-toolkit](https://github.com/prometheus/exporter-toolkit) from 0.6.1 to 0.7.3.
- [Release notes](https://github.com/prometheus/exporter-toolkit/releases)
- [Changelog](https://github.com/prometheus/exporter-toolkit/blob/master/CHANGELOG.md)
- [Commits](prometheus/exporter-toolkit@v0.6.1...v0.7.3)

---
updated-dependencies:
- dependency-name: github.com/prometheus/exporter-toolkit
  dependency-type: direct:production
...

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

go.mod

@@ -28,7 +28,7 @@ require (
 	github.com/prometheus/client_golang v1.11.0
 	github.com/prometheus/common v0.30.0
 	github.com/prometheus/common/sigv4 v0.1.0
-	github.com/prometheus/exporter-toolkit v0.6.1
+	github.com/prometheus/exporter-toolkit v0.7.3
 	github.com/rs/cors v1.8.0
 	github.com/shurcooL/httpfs v0.0.0-20190707220628-8d4bc4ba7749
 	github.com/shurcooL/vfsgen v0.0.0-20200824052919-0d455de96546

go.sum

@@ -418,8 +418,8 @@ github.com/prometheus/common v0.30.0 h1:JEkYlQnpzrzQFxi6gnukFPdQ+ac82oRhzMcIduJu
 github.com/prometheus/common v0.30.0/go.mod h1:vu+V0TpY+O6vW9J44gczi3Ap/oXXR10b+M/gUGO4Hls=
 github.com/prometheus/common/sigv4 v0.1.0 h1:qoVebwtwwEhS85Czm2dSROY5fTo2PAPEVdDeppTwGX4=
 github.com/prometheus/common/sigv4 v0.1.0/go.mod h1:2Jkxxk9yYvCkE5G1sQT7GuEXm57JrvHu9k5YwTjsNtI=
-github.com/prometheus/exporter-toolkit v0.6.1 h1:Aqk75wQD92N9CqmTlZwjKwq6272nOGrWIbc8Z7+xQO0=
-github.com/prometheus/exporter-toolkit v0.6.1/go.mod h1:ZUBIj498ePooX9t/2xtDjeQYwvRpiPP2lh5u4iblj2g=
+github.com/prometheus/exporter-toolkit v0.7.3 h1:IYBn0CTGi/nYxstdTUKysuSofUNJ3DQW3FmZ/Ub6rgU=
+github.com/prometheus/exporter-toolkit v0.7.3/go.mod h1:ZUBIj498ePooX9t/2xtDjeQYwvRpiPP2lh5u4iblj2g=
 github.com/prometheus/procfs v0.0.0-20181005140218-185b4288413d/go.mod h1:c3At6R/oaqEKCNdg8wHV1ftS6bRYblBhIjjI8uT2IGk=
 github.com/prometheus/procfs v0.0.2/go.mod h1:TjEm7ze935MbeOT/UhFTIMYKhuLP4wbCsTZCD3I8kEA=
 github.com/prometheus/procfs v0.1.3/go.mod h1:lV6e/gmhEcM9IjHGsFOCxxuZ+z1YqCvr4OA4YeYWdaU=