chore(deps): bump github.com/sigstore/fulcio from 1.4.2 to 1.4.3 (#3299)

Bumps [github.com/sigstore/fulcio](https://github.com/sigstore/fulcio) from 1.4.2 to 1.4.3.
- [Release notes](https://github.com/sigstore/fulcio/releases)
- [Changelog](https://github.com/sigstore/fulcio/blob/main/CHANGELOG.md)
- [Commits](sigstore/fulcio@v1.4.2...v1.4.3)

---
updated-dependencies:
- dependency-name: github.com/sigstore/fulcio
  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

@@ -30,7 +30,7 @@ require (
 	github.com/open-policy-agent/opa v0.57.0
 	github.com/pkg/errors v0.9.1
 	github.com/secure-systems-lab/go-securesystemslib v0.7.0
-	github.com/sigstore/fulcio v1.4.2
+	github.com/sigstore/fulcio v1.4.3
 	github.com/sigstore/rekor v1.2.2
 	github.com/sigstore/sigstore v1.7.3
 	github.com/sigstore/sigstore/pkg/signature/kms/aws v1.7.3

go.sum

@@ -880,8 +880,8 @@ github.com/segmentio/ksuid v1.0.4/go.mod h1:/XUiZBD3kVx5SmUOl55voK5yeAbBNNIed+2O
 github.com/shibumi/go-pathspec v1.3.0 h1:QUyMZhFo0Md5B8zV8x2tesohbb5kfbpTi9rBnKh5dkI=
 github.com/shibumi/go-pathspec v1.3.0/go.mod h1:Xutfslp817l2I1cZvgcfeMQJG5QnU2lh5tVaaMCl3jE=
 github.com/shurcooL/sanitized_anchor_name v1.0.0/go.mod h1:1NzhyTcUVG4SuEtjjoZeVRXNmyL/1OwPU0+IJeTBvfc=
-github.com/sigstore/fulcio v1.4.2 h1:YWCKgqh8PDH0SkmDFBnTTOiCdDlX5MYWgexfIsFoxZw=
-github.com/sigstore/fulcio v1.4.2/go.mod h1:H/zPKnbe2Yl7uR+Y1imnVHGHDESwsUA1L7pHZTjhwQ0=
+github.com/sigstore/fulcio v1.4.3 h1:9JcUCZjjVhRF9fmhVuz6i1RyhCc/EGCD7MOl+iqCJLQ=
+github.com/sigstore/fulcio v1.4.3/go.mod h1:BQPWo7cfxmJwgaHlphUHUpFkp5+YxeJes82oo39m5og=
 github.com/sigstore/rekor v1.2.2 h1:5JK/zKZvcQpL/jBmHvmFj3YbpDMBQnJQ6ygp8xdF3bY=
 github.com/sigstore/rekor v1.2.2/go.mod h1:FGnWBGWzeNceJnp0x9eDFd41mI8aQqCjj+Zp0IEs0Qg=
 github.com/sigstore/sigstore v1.7.3 h1:HVVTfrMezJeLyl2xhJ8edzkrEGBa4KxjQZB4FlQ4JLU=