Update module github.com/creack/pty to v1.1.20 (#492)

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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 | `v1.1.19-0.20220421211855-0d412c9fbeb1` -> `v1.1.20` |

---

### Release Notes

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

### [`v1.1.20`](https://togithub.com/creack/pty/releases/tag/v1.1.20)

[Compare
Source](https://togithub.com/creack/pty/compare/v1.1.19...v1.1.20)

#### What's Changed

- Avoid calls to (\*os.File).Fd() and operations on raw file descriptor
ints by [@&#8203;sio](https://togithub.com/sio) in
[https://github.com/creack/pty/pull/167](https://togithub.com/creack/pty/pull/167)

**Full Changelog**:
creack/pty@v1.1.19...v1.1.20

</details>

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go.mod

@@ -8,7 +8,7 @@ replace github.com/elastic/gosigar => github.com/mudler/gosigar v0.14.3-0.202205
 
 require (
 	github.com/bramvdbogaerde/go-scp v1.2.1
-	github.com/creack/pty v1.1.19-0.20220421211855-0d412c9fbeb1
+	github.com/creack/pty v1.1.20
 	github.com/gliderlabs/ssh v0.2.2
 	github.com/google/go-containerregistry v0.15.2
 	github.com/ipfs/go-log v1.0.5

go.sum

@@ -107,6 +107,8 @@ github.com/creachadair/otp v0.4.0 h1:3PBnESxegU3hQ0D447D75lSnTtTVfw6Eny8GviOXcqM
 github.com/creachadair/otp v0.4.0/go.mod h1:mDkCUSoWN8zqxFoDMw20Boe6xeDd1jJuy6pNQQ4lCy4=
 github.com/creack/pty v1.1.19-0.20220421211855-0d412c9fbeb1 h1:Tw0uuY+3UWYiSbR0+wsrJ30vY3zMFZ4JNPkSp9XdFyA=
 github.com/creack/pty v1.1.19-0.20220421211855-0d412c9fbeb1/go.mod h1:MOBLtS5ELjhRRrroQr9kyvTxUAFNvYEK993ew/Vr4O4=
+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/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=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=