exception: switch to public sdbus exception

SdBusError was intended to be a private error type inside sdbusplus.
Switch all catch locations to use the general sdbusplus::exception type.

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: If98df395e3717aa119e192457220e31ce3ea4fe7
diff --git a/src/method.hpp b/src/method.hpp
index 1399531..8a561b6 100644
--- a/src/method.hpp
+++ b/src/method.hpp
@@ -36,7 +36,7 @@
             DBusInterface::callMethodNoReply(bus, path, iface, method,
                                              std::forward<MethodArgs>(args)...);
         }
-        catch (const sdbusplus::exception::SdBusError& e)
+        catch (const sdbusplus::exception::exception& e)
         {
             // clang-format off
             log<level::ERR>("Unable to call DBus method",