[chore] Upgrade to SQLite 3.50.1 (#4255)

# Description

## Checklist

Please put an x inside each checkbox to indicate that you've read and followed it: `[ ]` -> `[x]`

If this is a documentation change, only the first checkbox must be filled (you can delete the others if you want).

- [x] I/we have read the [GoToSocial contribution guidelines](https://codeberg.org/superseriousbusiness/gotosocial/src/branch/main/CONTRIBUTING.md).
- [ ] I/we have discussed the proposed changes already, either in an issue on the repository, or in the Matrix chat.
- [x] I/we have not leveraged AI to create the proposed changes.
- [ ] I/we have performed a self-review of added code.
- [ ] I/we have written code that is legible and maintainable by others.
- [ ] I/we have commented the added code, particularly in hard-to-understand areas.
- [ ] I/we have made any necessary changes to documentation.
- [ ] I/we have added tests that cover new code.
- [ ] I/we have run tests and they pass locally with the changes.
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Reviewed-on: https://codeberg.org/superseriousbusiness/gotosocial/pulls/4255
Co-authored-by: Daenney <daenney@noreply.codeberg.org>
Co-committed-by: Daenney <daenney@noreply.codeberg.org>

vendor/golang.org/x/crypto/ssh/mlkem.go

@@ -19,19 +19,15 @@ import (
 	"golang.org/x/crypto/curve25519"
 )
 
-const (
-	kexAlgoMLKEM768xCurve25519SHA256 = "mlkem768x25519-sha256"
-)
-
 func init() {
 	// After Go 1.24rc1 mlkem swapped the order of return values of Encapsulate.
 	// See #70950.
 	if runtime.Version() == "go1.24rc1" {
 		return
 	}
-	supportedKexAlgos = slices.Insert(supportedKexAlgos, 0, kexAlgoMLKEM768xCurve25519SHA256)
-	preferredKexAlgos = slices.Insert(preferredKexAlgos, 0, kexAlgoMLKEM768xCurve25519SHA256)
-	kexAlgoMap[kexAlgoMLKEM768xCurve25519SHA256] = &mlkem768WithCurve25519sha256{}
+	supportedKexAlgos = slices.Insert(supportedKexAlgos, 0, KeyExchangeMLKEM768X25519)
+	defaultKexAlgos = slices.Insert(defaultKexAlgos, 0, KeyExchangeMLKEM768X25519)
+	kexAlgoMap[KeyExchangeMLKEM768X25519] = &mlkem768WithCurve25519sha256{}
 }
 
 // mlkem768WithCurve25519sha256 implements the hybrid ML-KEM768 with