sdbusplus: use shorter type aliases

The sdbusplus headers provide shortened aliases for many types.
Switch to using them to provide better code clarity and shorter
lines.  Possible replacements are for:
  * bus_t
  * exception_t
  * manager_t
  * match_t
  * message_t
  * object_t
  * slot_t

Change-Id: Id4aafe0272f14a786641f2e67380cb206a60255c
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
diff --git a/dump/create_pel.cpp b/dump/create_pel.cpp
index 981fe63..07cd07a 100644
--- a/dump/create_pel.cpp
+++ b/dump/create_pel.cpp
@@ -192,7 +192,7 @@
         std::istringstream iss(std::get<std::string>(v));
         iss >> src;
     }
-    catch (const sdbusplus::exception::exception& e)
+    catch (const sdbusplus::exception_t& e)
     {
         lg2::error("D-Bus call exception "
                    "EXCEPTION={ERROR}",