Bump github.com/go-openapi/strfmt from 0.21.7 to 0.21.8 (#33)

Bumps [github.com/go-openapi/strfmt](https://github.com/go-openapi/strfmt) from 0.21.7 to 0.21.8.
- [Commits](go-openapi/strfmt@v0.21.7...v0.21.8)

---
updated-dependencies:
- dependency-name: github.com/go-openapi/strfmt
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

go.mod

@@ -6,7 +6,7 @@ require (
 	github.com/cyberphone/json-canonicalization v0.0.0-20220623050100-57a0ce2678a7
 	github.com/digitorus/timestamp v0.0.0-20230902153158-687734543647
 	github.com/go-openapi/runtime v0.26.0
-	github.com/go-openapi/strfmt v0.21.7
+	github.com/go-openapi/strfmt v0.21.8
 	github.com/go-openapi/swag v0.22.4
 	github.com/google/certificate-transparency-go v1.1.7
 	github.com/in-toto/in-toto-golang v0.9.0

go.sum

@@ -181,8 +181,8 @@ github.com/go-openapi/spec v0.20.6/go.mod h1:2OpW+JddWPrpXSCIX8eOx7lZ5iyuWj3RYR6
 github.com/go-openapi/spec v0.20.11 h1:J/TzFDLTt4Rcl/l1PmyErvkqlJDncGvPTMnCI39I4gY=
 github.com/go-openapi/spec v0.20.11/go.mod h1:2OpW+JddWPrpXSCIX8eOx7lZ5iyuWj3RYR6VaaBKcWA=
 github.com/go-openapi/strfmt v0.21.3/go.mod h1:k+RzNO0Da+k3FrrynSNN8F7n/peCmQQqbbXjtDfvmGg=
-github.com/go-openapi/strfmt v0.21.7 h1:rspiXgNWgeUzhjo1YU01do6qsahtJNByjLVbPLNHb8k=
-github.com/go-openapi/strfmt v0.21.7/go.mod h1:adeGTkxE44sPyLk0JV235VQAO/ZXUr8KAzYjclFs3ew=
+github.com/go-openapi/strfmt v0.21.8 h1:VYBUoKYRLAlgKDrIxR/I0lKrztDQ0tuTDrbhLVP8Erg=
+github.com/go-openapi/strfmt v0.21.8/go.mod h1:adeGTkxE44sPyLk0JV235VQAO/ZXUr8KAzYjclFs3ew=
 github.com/go-openapi/swag v0.19.5/go.mod h1:POnQmlKehdgb5mhVOsnJFsivZCEZ/vjK9gh66Z9tfKk=
 github.com/go-openapi/swag v0.19.15/go.mod h1:QYRuS/SOXUCsnplDa677K7+DxSOj6IPNl/eQntq43wQ=
 github.com/go-openapi/swag v0.21.1/go.mod h1:QYRuS/SOXUCsnplDa677K7+DxSOj6IPNl/eQntq43wQ=