Bump github.com/hashicorp/nomad from 1.5.5 to 1.5.6

Bumps [github.com/hashicorp/nomad](https://github.com/hashicorp/nomad) from 1.5.5 to 1.5.6.
- [Release notes](https://github.com/hashicorp/nomad/releases)
- [Changelog](https://github.com/hashicorp/nomad/blob/main/CHANGELOG.md)
- [Commits](https://github.com/hashicorp/nomad/compare/v1.5.5...v1.5.6)

---
updated-dependencies:
- dependency-name: github.com/hashicorp/nomad
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

go.sum

@@ -161,8 +161,8 @@ github.com/hashicorp/logutils v1.0.0/go.mod h1:QIAnNjmIWmVIIkWDTG1z5v++HQmx9WQRO
 github.com/hashicorp/mdns v1.0.4/go.mod h1:mtBihi+LeNXGtG8L9dX59gAEa12BDtBQSp4v/YAJqrc=
 github.com/hashicorp/memberlist v0.5.0 h1:EtYPN8DpAURiapus508I4n9CzHs2W+8NZGbmmR/prTM=
 github.com/hashicorp/memberlist v0.5.0/go.mod h1:yvyXLpo0QaGE59Y7hDTsTzDD25JYBZ4mHgHUZ8lrOI0=
-github.com/hashicorp/nomad v1.5.5 h1:TXupPGIG5VKdBSPGqPvBuSXpyFBaBz77CQ6xpZmFaiM=
-github.com/hashicorp/nomad v1.5.5/go.mod h1:88ebyMnwBv3cWtxUNjevCB/LNccQZQWS/lWVJsntYMc=
+github.com/hashicorp/nomad v1.5.6 h1:TMjiou3pfoQH2dEvVisDR+1Uvru8VYnNpnAn5G0lhfU=
+github.com/hashicorp/nomad v1.5.6/go.mod h1:gSZAlBUiFy02CQGkniMGOEHCBz92M4DwW2rUEBOoe2c=
 github.com/hashicorp/nomad/api v0.0.0-20230314144600-1a01e8719272 h1:e8BbZuEbMCuuxZnY77a0dCJQ1TAQ+PNmXGYC4B7AXJk=
 github.com/hashicorp/nomad/api v0.0.0-20230314144600-1a01e8719272/go.mod h1:bKUb1ytds5KwUioHdvdq9jmrDqCThv95si0Ub7iNeBg=
 github.com/hashicorp/raft v1.2.0/go.mod h1:vPAJM8Asw6u8LxC3eJCUZmRP/E4QmUGE1R7g7k8sG/8=