chore: Replace testify with gotest.tools in bank integration tests (#14477)

Co-authored-by: atheeshp <59333759+atheeshp@users.noreply.github.com>

testutil/testdata/grpc_query.go

@@ -65,6 +65,8 @@ func (m *TestAnyResponse) UnpackInterfaces(unpacker types.AnyUnpacker) error {
 // 2. That the gas consumption of the query is the same. When
 // `gasOverwrite` is set to true, we also check that this consumed
 // gas value is equal to the hardcoded `gasConsumed`.
+//
+// TODO: replace "github.com/stretchr/testify/require" with "gotest.tools/v3"
 func DeterministicIterations[request proto.Message, response proto.Message](
 	ctx sdk.Context,
 	require *require.Assertions,