chore(deps): bump github.com/caarlos0/env/v6 from 6.7.2 to 6.8.0

Bumps [github.com/caarlos0/env/v6](https://github.com/caarlos0/env) from 6.7.2 to 6.8.0.
- [Release notes](https://github.com/caarlos0/env/releases)
- [Changelog](https://github.com/caarlos0/env/blob/main/.goreleaser.yml)
- [Commits](caarlos0/env@v6.7.2...v6.8.0)

---
updated-dependencies:
- dependency-name: github.com/caarlos0/env/v6
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

go.mod

@@ -3,7 +3,7 @@ module github.com/aquasecurity/starboard
 go 1.16
 
 require (
-	github.com/caarlos0/env/v6 v6.7.2
+	github.com/caarlos0/env/v6 v6.8.0
 	github.com/davecgh/go-spew v1.1.1
 	github.com/go-logr/logr v0.4.0
 	github.com/google/go-containerregistry v0.7.0

go.sum

@@ -135,8 +135,8 @@ github.com/buger/jsonparser v0.0.0-20180808090653-f4dd9f5a6b44/go.mod h1:bbYlZJ7
 github.com/bugsnag/bugsnag-go v0.0.0-20141110184014-b1d153021fcd/go.mod h1:2oa8nejYd4cQ/b0hMIopN0lCRxU0bueqREvZLWFrtK8=
 github.com/bugsnag/osext v0.0.0-20130617224835-0dd3f918b21b/go.mod h1:obH5gd0BsqsP2LwDJ9aOkm/6J86V6lyAXCoQWGw3K50=
 github.com/bugsnag/panicwrap v0.0.0-20151223152923-e2c28503fcd0/go.mod h1:D/8v3kj0zr8ZAKg1AQ6crr+5VwKN5eIywRkfhyM/+dE=
-github.com/caarlos0/env/v6 v6.7.2 h1:Jiy2dBHvNgCfNGMP0hOZW6jHUbiENvP+VWDtLz4n1Kg=
-github.com/caarlos0/env/v6 v6.7.2/go.mod h1:FE0jGiAnQqtv2TenJ4KTa8+/T2Ss8kdS5s1VEjasoN0=
+github.com/caarlos0/env/v6 v6.8.0 h1:abF9JinEXaibthiOowf4uSnRBWN66aJOxSpHLH67jeI=
+github.com/caarlos0/env/v6 v6.8.0/go.mod h1:FE0jGiAnQqtv2TenJ4KTa8+/T2Ss8kdS5s1VEjasoN0=
 github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
 github.com/certifi/gocertifi v0.0.0-20191021191039-0944d244cd40/go.mod h1:sGbDF6GwGcLpkNXPUTkMRoywsNa/ol15pxFe6ERfguA=
 github.com/certifi/gocertifi v0.0.0-20200922220541-2c3bb06c6054/go.mod h1:sGbDF6GwGcLpkNXPUTkMRoywsNa/ol15pxFe6ERfguA=