chore(deps): bump github.com/spdx/tools-golang from 0.5.5 to 0.5.6 (#4503)

Bumps [github.com/spdx/tools-golang](https://github.com/spdx/tools-golang) from 0.5.5 to 0.5.6.
- [Release notes](https://github.com/spdx/tools-golang/releases)
- [Changelog](https://github.com/spdx/tools-golang/blob/main/RELEASE-NOTES.md)
- [Commits](https://github.com/spdx/tools-golang/compare/v0.5.5...v0.5.6)

---
updated-dependencies:
- dependency-name: github.com/spdx/tools-golang
  dependency-version: 0.5.6
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

go.mod

@@ -76,7 +76,7 @@ require (
 	github.com/scylladb/go-set v1.0.3-0.20200225121959-cc7b2070d91e
 	github.com/sergi/go-diff v1.4.0
 	github.com/spdx/gordf v0.0.0-20201111095634-7098f93598fb
-	github.com/spdx/tools-golang v0.5.5
+	github.com/spdx/tools-golang v0.5.6
 	github.com/spf13/afero v1.15.0
 	github.com/spf13/cobra v1.10.2
 	github.com/stretchr/testify v1.11.1
@@ -112,7 +112,7 @@ require (
 	github.com/STARRY-S/zip v0.2.3 // indirect
 	github.com/agext/levenshtein v1.2.1 // indirect; indirectt
 	github.com/anchore/go-lzo v0.1.0 // indirect
-	github.com/anchore/go-struct-converter v0.0.0-20221118182256-c68fdcfa2092 // indirect
+	github.com/anchore/go-struct-converter v0.1.0 // indirect
 	github.com/andybalholm/brotli v1.2.0 // indirect
 	github.com/apparentlymart/go-textseg/v15 v15.0.0 // indirect
 	github.com/aquasecurity/go-version v0.0.1 // indirect