fix(deps): update module github.com/russellhaering/goxmldsig to v1.5.0 (#8)

This PR contains the following updates:

| Package | Change | Age | Confidence |
|---|---|---|---|
| [github.com/russellhaering/goxmldsig](https://github.com/russellhaering/goxmldsig) | `v1.4.0` -> `v1.5.0` | [![age](https://developer.mend.io/api/mc/badges/age/go/github.com%2frussellhaering%2fgoxmldsig/v1.5.0?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://developer.mend.io/api/mc/badges/confidence/go/github.com%2frussellhaering%2fgoxmldsig/v1.4.0/v1.5.0?slim=true)](https://docs.renovatebot.com/merge-confidence/) |

---

### Release Notes

<details>
<summary>russellhaering/goxmldsig (github.com/russellhaering/goxmldsig)</summary>

### [`v1.5.0`](https://github.com/russellhaering/goxmldsig/releases/tag/v1.5.0)

[Compare Source](https://github.com/russellhaering/goxmldsig/compare/v1.4.0...v1.5.0)

#### What's Changed

- Bump dependencies
- Update GitHub workflows
- Security hardening by [@&#8203;ahacker1-securesaml](https://github.com/ahacker1-securesaml)

**Full Changelog**: <https://github.com/russellhaering/goxmldsig/compare/v1.4.0...v1.5.0>

</details>

---

### Configuration

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🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied.

♻ **Rebasing**: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about this update again.

---

 - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box

---

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Reviewed-on: #8
Co-authored-by: renovate[bot] <renovate-bot@git.tainton.uk>
Co-committed-by: renovate[bot] <renovate-bot@git.tainton.uk>

go.mod

@@ -7,14 +7,14 @@ require (
 	github.com/coreos/go-oidc/v3 v3.16.0
 	github.com/crewjam/saml v0.5.1
 	github.com/fsnotify/fsnotify v1.9.0
-	github.com/russellhaering/goxmldsig v1.4.0
+	github.com/russellhaering/goxmldsig v1.5.0
 	golang.org/x/oauth2 v0.33.0
 	gopkg.in/yaml.v3 v3.0.1
 )
 
 require (
 	github.com/go-jose/go-jose/v4 v4.1.3 // indirect
-	github.com/jonboulle/clockwork v0.2.2 // indirect
+	github.com/jonboulle/clockwork v0.5.0 // indirect
 	github.com/mattermost/xml-roundtrip-validator v0.1.0 // indirect
 	golang.org/x/crypto v0.33.0 // indirect
 	golang.org/x/sys v0.30.0 // indirect