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

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: I7ae6214461bdf45c1a21fb702cc8bf5578d827c6
diff --git a/dump_manager.hpp b/dump_manager.hpp
index 1f5e3c7..5045ff4 100644
--- a/dump_manager.hpp
+++ b/dump_manager.hpp
@@ -13,7 +13,7 @@
 
 using DumpCreateParams =
     std::map<std::string, std::variant<std::string, uint64_t>>;
-using Iface = sdbusplus::server::object::object<
+using Iface = sdbusplus::server::object_t<
     sdbusplus::xyz::openbmc_project::Collection::server::DeleteAll>;
 
 /** @class Manager
@@ -39,7 +39,7 @@
      *  @param[in] path - Path to attach at.
      *  @param[in] baseEntryPath - Base path of the dump entry.
      */
-    Manager(sdbusplus::bus::bus& bus, const char* path,
+    Manager(sdbusplus::bus_t& bus, const char* path,
             const std::string& baseEntryPath) :
         Iface(bus, path, Iface::action::defer_emit),
         bus(bus), lastEntryId(0), baseEntryPath(baseEntryPath)
@@ -64,7 +64,7 @@
     void deleteAll() override;
 
     /** @brief sdbusplus DBus bus connection. */
-    sdbusplus::bus::bus& bus;
+    sdbusplus::bus_t& bus;
 
     /** @brief Dump Entry dbus objects map based on entry id */
     std::map<uint32_t, std::unique_ptr<Entry>> entries;