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: I03198711b6d148e82106ca6ff809c25d814ad201
diff --git a/powercap.cpp b/powercap.cpp
index 39c7416..e435096 100644
--- a/powercap.cpp
+++ b/powercap.cpp
@@ -45,7 +45,7 @@
 
         return std::get<uint32_t>(pcap);
     }
-    catch (const sdbusplus::exception::SdBusError& e)
+    catch (const sdbusplus::exception::exception& e)
     {
         log<level::ERR>("Failed to get PowerCap property",
                         entry("ERROR=%s", e.what()),
@@ -65,7 +65,7 @@
 
         return std::get<bool>(pcapEnabled);
     }
-    catch (const sdbusplus::exception::SdBusError& e)
+    catch (const sdbusplus::exception::exception& e)
     {
         log<level::ERR>("Failed to get PowerCapEnable property",
                         entry("ERROR=%s", e.what()),