Bump github.com/relvacode/iso8601 from 1.3.0 to 1.6.0

Bumps [github.com/relvacode/iso8601](https://github.com/relvacode/iso8601) from 1.3.0 to 1.6.0.
- [Release notes](https://github.com/relvacode/iso8601/releases)
- [Commits](relvacode/iso8601@v1.3.0...v1.6.0)

---
updated-dependencies:
- dependency-name: github.com/relvacode/iso8601
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

go.mod

@@ -4,14 +4,14 @@ go 1.16
 
 require (
 	github.com/Shopify/toxiproxy v2.1.4+incompatible
-	github.com/caarlos0/env/v11 v11.3.1 // indirect
+	github.com/caarlos0/env/v11 v11.3.1
 	github.com/go-playground/locales v0.12.1 // indirect
 	github.com/go-playground/universal-translator v0.16.0
 	github.com/gorilla/mux v1.8.1
 	github.com/gorilla/websocket v1.5.3
 	github.com/kr/pretty v0.1.0 // indirect
 	github.com/leodido/go-urn v1.1.0 // indirect
-	github.com/relvacode/iso8601 v1.3.0
+	github.com/relvacode/iso8601 v1.6.0
 	github.com/sirupsen/logrus v1.4.2
 	github.com/stretchr/testify v1.8.0
 	golang.org/x/sys v0.0.0-20220804214406-8e32c043e418 // indirect

go.sum

@@ -24,8 +24,8 @@ github.com/leodido/go-urn v1.1.0 h1:Sm1gr51B1kKyfD2BlRcLSiEkffoG96g6TPv6eRoEiB8=
 github.com/leodido/go-urn v1.1.0/go.mod h1:+cyI34gQWZcE1eQU7NVgKkkzdXDQHr1dBMtdAPozLkw=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
-github.com/relvacode/iso8601 v1.3.0 h1:HguUjsGpIMh/zsTczGN3DVJFxTU/GX+MMmzcKoMO7ko=
-github.com/relvacode/iso8601 v1.3.0/go.mod h1:FlNp+jz+TXpyRqgmM7tnzHHzBnz776kmAH2h3sZCn0I=
+github.com/relvacode/iso8601 v1.6.0 h1:eFXUhMJN3Gz8Rcq82f9DTMW0svjtAVuIEULglM7QHTU=
+github.com/relvacode/iso8601 v1.6.0/go.mod h1:FlNp+jz+TXpyRqgmM7tnzHHzBnz776kmAH2h3sZCn0I=
 github.com/sirupsen/logrus v1.4.2 h1:SPIRibHv4MatM3XXNO2BJeFLZwZ2LvZgfQ5+UNI2im4=
 github.com/sirupsen/logrus v1.4.2/go.mod h1:tLMulIdttU9McNUspp0xgXVQah82FyeX6MwdIuYE2rE=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=