Bump github.com/BurntSushi/toml from 1.5.0 to 1.6.0

Bumps [github.com/BurntSushi/toml](https://github.com/BurntSushi/toml) from 1.5.0 to 1.6.0.
- [Release notes](https://github.com/BurntSushi/toml/releases)
- [Commits](BurntSushi/toml@v1.5.0...v1.6.0)

---
updated-dependencies:
- dependency-name: github.com/BurntSushi/toml
  dependency-version: 1.6.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

go.mod

@@ -3,7 +3,7 @@ module github.com/cloudbase/garm-provider-openstack
 go 1.24.0
 
 require (
-	github.com/BurntSushi/toml v1.5.0
+	github.com/BurntSushi/toml v1.6.0
 	github.com/cloudbase/garm-provider-common v0.1.8-0.20251001105909-bbcacae60e7c
 	github.com/google/uuid v1.6.0
 	github.com/gophercloud/gophercloud v1.14.1

go.sum

@@ -1,5 +1,5 @@
-github.com/BurntSushi/toml v1.5.0 h1:W5quZX/G/csjUnuI8SUYlsHs9M38FC7znL0lIO+DvMg=
-github.com/BurntSushi/toml v1.5.0/go.mod h1:ukJfTF/6rtPPRCnwkur4qwRxa8vTRFBF0uk2lLoLwho=
+github.com/BurntSushi/toml v1.6.0 h1:dRaEfpa2VI55EwlIW72hMRHdWouJeRF7TPYhI+AUQjk=
+github.com/BurntSushi/toml v1.6.0/go.mod h1:ukJfTF/6rtPPRCnwkur4qwRxa8vTRFBF0uk2lLoLwho=
 github.com/bahlo/generic-list-go v0.2.0 h1:5sz/EEAK+ls5wF+NeqDpk5+iNdMDXrh3z3nPnH1Wvgk=
 github.com/bahlo/generic-list-go v0.2.0/go.mod h1:2KvAjgMlE5NNynlg/5iLrrCCZ2+5xWbdbCW3pNTGyYg=
 github.com/buger/jsonparser v1.1.1 h1:2PnMjfWD7wBILjqQbt530v576A/cAbQvEW9gGIpYMUs=