fix(deps): update module github.com/creack/pty to v1.1.21 (#498)

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This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [github.com/creack/pty](https://togithub.com/creack/pty) | require |
patch | `v1.1.20` -> `v1.1.21` |

---

### Release Notes

<details>
<summary>creack/pty (github.com/creack/pty)</summary>

### [`v1.1.21`](https://togithub.com/creack/pty/releases/tag/v1.1.21)

[Compare
Source](https://togithub.com/creack/pty/compare/v1.1.20...v1.1.21)

#### What's Changed

- Tests cleanup by [@&#8203;creack](https://togithub.com/creack) in
[https://github.com/creack/pty/pull/173](https://togithub.com/creack/pty/pull/173)
- Revert [#&#8203;167](https://togithub.com/creack/pty/issues/167) to
avoid race on Linux. by [@&#8203;creack](https://togithub.com/creack) in
[https://github.com/creack/pty/pull/177](https://togithub.com/creack/pty/pull/177)

**Full Changelog**:
creack/pty@v1.1.20...v1.1.21

</details>

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go.mod

@@ -7,7 +7,7 @@ go 1.20
 replace github.com/elastic/gosigar => github.com/mudler/gosigar v0.14.3-0.20220502202347-34be910bdaaf
 
 require (
-	github.com/creack/pty v1.1.20
+	github.com/creack/pty v1.1.21
 	github.com/gliderlabs/ssh v0.2.2
 	github.com/google/go-containerregistry v0.15.2 // indirect
 	github.com/ipfs/go-log v1.0.5

go.sum

@@ -163,6 +163,8 @@ github.com/creachadair/otp v0.4.0/go.mod h1:mDkCUSoWN8zqxFoDMw20Boe6xeDd1jJuy6pN
 github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
 github.com/creack/pty v1.1.20 h1:VIPb/a2s17qNeQgDnkfZC35RScx+blkKF8GV68n80J4=
 github.com/creack/pty v1.1.20/go.mod h1:MOBLtS5ELjhRRrroQr9kyvTxUAFNvYEK993ew/Vr4O4=
+github.com/creack/pty v1.1.21 h1:1/QdRyBaHHJP61QkWMXlOIBfsgdDeeKfK8SYVUWJKf0=
+github.com/creack/pty v1.1.21/go.mod h1:MOBLtS5ELjhRRrroQr9kyvTxUAFNvYEK993ew/Vr4O4=
 github.com/davecgh/go-spew v0.0.0-20161028175848-04cdfd42973b/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=