chore(deps): bump github.com/gliderlabs/sigil in /plugins/nginx-vhosts

Bumps [github.com/gliderlabs/sigil](https://github.com/gliderlabs/sigil) from 0.12.0 to 0.12.1.
- [Release notes](https://github.com/gliderlabs/sigil/releases)
- [Commits](https://github.com/gliderlabs/sigil/compare/v0.12.0...v0.12.1)

---
updated-dependencies:
- dependency-name: github.com/gliderlabs/sigil
  dependency-version: 0.12.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

plugins/nginx-vhosts/go.mod

@@ -4,7 +4,7 @@ go 1.26.2
 
 require (
 	github.com/dokku/dokku/plugins/common v0.0.0-00010101000000-000000000000
-	github.com/gliderlabs/sigil v0.12.0
+	github.com/gliderlabs/sigil v0.12.1
 	github.com/spf13/pflag v1.0.10
 )
 

plugins/nginx-vhosts/go.sum

@@ -11,8 +11,8 @@ github.com/fatih/color v1.19.0 h1:Zp3PiM21/9Ld6FzSKyL5c/BULoe/ONr9KlbYVOfG8+w=
 github.com/fatih/color v1.19.0/go.mod h1:zNk67I0ZUT1bEGsSGyCZYZNrHuTkJJB+r6Q9VuMi0LE=
 github.com/flynn/go-shlex v0.0.0-20150515145356-3f9db97f8568 h1:BHsljHzVlRcyQhjrss6TZTdY2VfCqZPbv5k3iBFa2ZQ=
 github.com/flynn/go-shlex v0.0.0-20150515145356-3f9db97f8568/go.mod h1:xEzjJPgXI435gkrCt3MPfRiAkVrwSbHsst4LCFVfpJc=
-github.com/gliderlabs/sigil v0.12.0 h1:2O+PDkqnn8XhUYx0z79MkFTik39t9FEdM1kgK4geQvg=
-github.com/gliderlabs/sigil v0.12.0/go.mod h1:O6TGDuYPPHoiMad4W2FDsHgK39tNBYZRfhhUGOKgzRE=
+github.com/gliderlabs/sigil v0.12.1 h1:LaKToA28BSi3F9V79+4NsyupS4/iawyX0jNtbhsR5TU=
+github.com/gliderlabs/sigil v0.12.1/go.mod h1:O6TGDuYPPHoiMad4W2FDsHgK39tNBYZRfhhUGOKgzRE=
 github.com/google/go-cmp v0.7.0 h1:wk8382ETsv4JYUZwIsn6YpYiWiBsYLSJiTsyBybVuN8=
 github.com/google/go-cmp v0.7.0/go.mod h1:pXiqmnSA92OHEEa9HXL2W4E7lf9JzCmGVUdgjX3N/iU=
 github.com/hashicorp/errwrap v1.0.0 h1:hLrqtEDnRye3+sgx6z4qVLNuviH3MR5aQ0ykNJa/UYA=