chore(deps): bump github.com/relvacode/iso8601 from 1.5.0 to 1.6.0

Bumps [github.com/relvacode/iso8601](https://github.com/relvacode/iso8601) from 1.5.0 to 1.6.0.
- [Release notes](https://github.com/relvacode/iso8601/releases)
- [Commits](relvacode/iso8601@v1.5.0...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

@@ -9,7 +9,7 @@ require (
 	github.com/google/go-github/v61 v61.0.0
 	github.com/onsi/ginkgo/v2 v2.22.0
 	github.com/onsi/gomega v1.35.1
-	github.com/relvacode/iso8601 v1.5.0
+	github.com/relvacode/iso8601 v1.6.0
 	github.com/sosedoff/gitkit v0.4.0
 	github.com/stretchr/testify v1.9.0
 	go.uber.org/zap v1.27.0

go.sum

@@ -102,8 +102,8 @@ github.com/prometheus/common v0.55.0 h1:KEi6DK7lXW/m7Ig5i47x0vRzuBsHuvJdi5ee6Y3G
 github.com/prometheus/common v0.55.0/go.mod h1:2SECS4xJG1kd8XF9IcM1gMX6510RAEL65zxzNImwdc8=
 github.com/prometheus/procfs v0.15.1 h1:YagwOFzUgYfKKHX6Dr+sHT7km/hxC76UB0learggepc=
 github.com/prometheus/procfs v0.15.1/go.mod h1:fB45yRUv8NstnjriLhBQLuOUt+WW4BsoGhij/e3PBqk=
-github.com/relvacode/iso8601 v1.5.0 h1:hM+cirGvOz6gKuUEqimr5TH3tiQiVOuc2QIO+nI5fY4=
-github.com/relvacode/iso8601 v1.5.0/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/rogpeppe/go-internal v1.12.0 h1:exVL4IDcn6na9z1rAb56Vxr+CgyK3nn3O+epU5NdKM8=
 github.com/rogpeppe/go-internal v1.12.0/go.mod h1:E+RYuTGaKKdloAfM02xzb0FW3Paa99yedzYV+kq4uf4=
 github.com/sosedoff/gitkit v0.4.0 h1:opyQJ/h9xMRLsz2ca/2CRXtstePcpldiZN8DpLLF8Os=