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This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [github.com/sigstore/cosign](https://togithub.com/sigstore/cosign) |
require | minor | `v1.12.1` -> `v1.13.0` |

---

### Release Notes

<details>
<summary>sigstore/cosign</summary>

###
[`v1.13.0`](https://togithub.com/sigstore/cosign/blob/HEAD/CHANGELOG.md#v1130)

[Compare
Source](https://togithub.com/sigstore/cosign/compare/v1.12.1...v1.13.0)

> # Highlights
>
> - For users who have deployed a private instance of Fulcio release
v0.6.x and issue certificates with the Username identity, you will need
to upgrade to use this version."

#### Enhancements

- Add support for Fulcio username identity in SAN
([https://github.com/sigstore/cosign/pull/2291](https://togithub.com/sigstore/cosign/pull/2291))
- Data race in FetchSignaturesForReference
([https://github.com/sigstore/cosign/pull/2283](https://togithub.com/sigstore/cosign/pull/2283))
- Check error on chain verification failure
([https://github.com/sigstore/cosign/pull/2284](https://togithub.com/sigstore/cosign/pull/2284))
- feat: improve the verification message
([https://github.com/sigstore/cosign/pull/2268](https://togithub.com/sigstore/cosign/pull/2268))
- feat: use stdin as an input for predicate
([https://github.com/sigstore/cosign/pull/2269](https://togithub.com/sigstore/cosign/pull/2269))

#### Bug Fixes

- fix: make tlog entry lookups for online verification shard-aware
([https://github.com/sigstore/cosign/pull/2297](https://togithub.com/sigstore/cosign/pull/2297))
- Fix: Create a static copy of signatures as part of verification.
([https://github.com/sigstore/cosign/pull/2287](https://togithub.com/sigstore/cosign/pull/2287))
- Fix: Remove an extra registry request from verification path.
([https://github.com/sigstore/cosign/pull/2285](https://togithub.com/sigstore/cosign/pull/2285))
- fix pivtool generate key touch policy
([https://github.com/sigstore/cosign/pull/2282](https://togithub.com/sigstore/cosign/pull/2282))

#### Others

- use scaffolding 0.4.8 for tests.
([https://github.com/sigstore/cosign/pull/2280](https://togithub.com/sigstore/cosign/pull/2280))

#### Contributors

-   Asra Ali ([@&#8203;asraa](https://togithub.com/asraa))
- Batuhan Apaydın
([@&#8203;developer-guy](https://togithub.com/developer-guy))
- Carlos Tadeu Panato Junior
([@&#8203;cpanato](https://togithub.com/cpanato))
- Hayden Blauzvern
([@&#8203;haydentherapper](https://togithub.com/haydentherapper))
-   Matt Moore ([@&#8203;mattmoor](https://togithub.com/mattmoor))
-   Ross Tannenbaum ([@&#8203;RTann](https://togithub.com/RTann))
-   Ville Aikas ([@&#8203;vaikas](https://togithub.com/vaikas))

</details>

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