Merge pull request #2933 in SNORT/snort3 from ~DIPANDIT/snort3:multichannel_shared_pt...

Merge pull request #2933 in SNORT/snort3 from ~DIPANDIT/snort3:multichannel_shared_ptr to master

Squashed commit of the following:

commit 98177702616043e80f1c7c20df6b4731696c763a
Author: Dipto Pandit (dipandit) <dipandit@cisco.com>
Date:   Tue Jun 8 13:37:02 2021 -0400

    dce_rpc: store shared pointer of session tracker

commit e6a88c3afe70c9d690489cd5f004ce2782bab9b6
Author: Dipto Pandit (dipandit) <dipandit@cisco.com>
Date:   Tue Jun 8 07:47:55 2021 -0400

    dce_rpc: handle reload prune for smb session cache