build(deps): bump github.com/stellar/go-stellar-sdk from 0.5.0 to 0.6.0

Bumps [github.com/stellar/go-stellar-sdk](https://github.com/stellar/go-stellar-sdk) from 0.5.0 to 0.6.0.
- [Release notes](https://github.com/stellar/go-stellar-sdk/releases)
- [Changelog](https://github.com/stellar/go-stellar-sdk/blob/main/CHANGELOG.md)
- [Commits](stellar/go-stellar-sdk@v0.5.0...v0.6.0)

---
updated-dependencies:
- dependency-name: github.com/stellar/go-stellar-sdk
  dependency-version: 0.6.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

go.mod

@@ -36,7 +36,7 @@ require (
 	github.com/smartcontractkit/freeport v0.1.3-0.20250828155247-add56fa28aad
 	github.com/smartcontractkit/go-daml v0.0.0-20260610225315-f38fea9a45b0
 	github.com/spf13/cast v1.10.0
-	github.com/stellar/go-stellar-sdk v0.5.0
+	github.com/stellar/go-stellar-sdk v0.6.0
 	github.com/stretchr/testify v1.11.1
 	github.com/xssnick/tonutils-go v1.14.1
 	github.com/zksync-sdk/zksync2-go v1.1.1-0.20250620124214-2c742ee399c6
@@ -244,7 +244,7 @@ require (
 	github.com/smartcontractkit/grpc-proxy v0.0.0-20240830132753-a7e17fec5ab7 // indirect
 	github.com/smartcontractkit/libocr v0.0.0-20260304194147-a03701e2c02e // indirect
 	github.com/spf13/pflag v1.0.10 // indirect
-	github.com/stellar/go-xdr v0.0.0-20260312225820-cc2b0611aabf // indirect
+	github.com/stellar/go-xdr v0.0.0-20260529210834-0bf8f4956364 // indirect
 	github.com/stephenlacy/go-ethereum-hdwallet v0.0.0-20230913225845-a4fa94429863 // indirect
 	github.com/streamingfast/logging v0.0.0-20230608130331-f22c91403091 // indirect
 	github.com/stretchr/objx v0.5.3 // indirect

go.sum

@@ -735,10 +735,10 @@ github.com/spf13/cast v1.10.0/go.mod h1:jNfB8QC9IA6ZuY2ZjDp0KtFO2LZZlg4S/7bzP6qq
 github.com/spf13/pflag v1.0.10 h1:4EBh2KAYBwaONj6b2Ye1GiHfwjqyROoF4RwYO+vPwFk=
 github.com/spf13/pflag v1.0.10/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
 github.com/spkg/bom v0.0.0-20160624110644-59b7046e48ad/go.mod h1:qLr4V1qq6nMqFKkMo8ZTx3f+BZEkzsRUY10Xsm2mwU0=
-github.com/stellar/go-stellar-sdk v0.5.0 h1:xpOO+ZTyvGz54wTm7pwl2Gf1e6lZl0ExrJ/tKb+Roj4=
-github.com/stellar/go-stellar-sdk v0.5.0/go.mod h1:tLKAQPxa2I5UvGMabBbUXcY3fmgYnfDudrMeK7CDX4w=
-github.com/stellar/go-xdr v0.0.0-20260312225820-cc2b0611aabf h1:GY1RVbX3Hg7poPXEf6yojjP0hyypvgUgZmCqQU9D0xg=
-github.com/stellar/go-xdr v0.0.0-20260312225820-cc2b0611aabf/go.mod h1:If+U9Z1W5xU97VrOgJandQT+2dN7/iOpkCrxBJEyF80=
+github.com/stellar/go-stellar-sdk v0.6.0 h1:NM2oqZJQup0QxnJMq6C8s4iIIhU6rHFX0rlsF3wh/Ho=
+github.com/stellar/go-stellar-sdk v0.6.0/go.mod h1:IkcqcrE9UQi7n/1y+MxKB+7qzdjG1T2kGOD7Ss8dqjw=
+github.com/stellar/go-xdr v0.0.0-20260529210834-0bf8f4956364 h1:gOKrfuWdZ92LFlv0TAwgZ7OsWKeBsOMDlGLyFgduI1w=
+github.com/stellar/go-xdr v0.0.0-20260529210834-0bf8f4956364/go.mod h1:If+U9Z1W5xU97VrOgJandQT+2dN7/iOpkCrxBJEyF80=
 github.com/stephenlacy/go-ethereum-hdwallet v0.0.0-20230913225845-a4fa94429863 h1:ba4VRWSkRzgdP5hB5OxexIzBXZbSwgcw8bEu06ivGQI=
 github.com/stephenlacy/go-ethereum-hdwallet v0.0.0-20230913225845-a4fa94429863/go.mod h1:oPTjPNrRucLv9mU27iNPj6n0CWWcNFhoXFOLVGJwHCA=
 github.com/streamingfast/logging v0.0.0-20230608130331-f22c91403091 h1:RN5mrigyirb8anBEtdjtHFIufXdacyTi6i4KBfeNXeo=