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: I33245a48eb2c55667cc8d57e8a3aba8af070f880
diff --git a/elog_watch.cpp b/elog_watch.cpp
index 212171b..86e42f2 100644
--- a/elog_watch.cpp
+++ b/elog_watch.cpp
@@ -69,7 +69,7 @@
     {
         msg.read(objectPath, propertyMap);
     }
-    catch (const sdbusplus::exception::SdBusError& e)
+    catch (const sdbusplus::exception::exception& e)
     {
         log<level::ERR>(
             fmt::format(
@@ -165,7 +165,7 @@
     {
         msg.read(objectPath);
     }
-    catch (const sdbusplus::exception::SdBusError& e)
+    catch (const sdbusplus::exception::exception& e)
     {
         log<level::ERR>(
             fmt::format(