test: bump sandbox argument minimum version

The -sandbox argument is not present in the v22.0 release. Changing the minimum version to 229900 ensures it's used when testing the master branch.

If the argument is backported, the minimum version can be adjusted to e.g. 220100.

test/functional/test_framework/test_framework.py

@@ -473,7 +473,8 @@ class BitcoinTestFramework(metaclass=BitcoinTestMetaClass):
             versions = [None] * num_nodes
         if self.is_syscall_sandbox_compiled() and not self.disable_syscall_sandbox:
             for i in range(len(extra_args)):
-                if versions[i] is None or versions[i] >= 219900:
+                # The -sandbox argument is not present in the v22.0 release.
+                if versions[i] is None or versions[i] >= 229900:
                     extra_args[i] = extra_args[i] + ["-sandbox=log-and-abort"]
         if binary is None:
             binary = [get_bin_from_version(v, 'bitcoind', self.options.bitcoind) for v in versions]