[201811][swss] advance swss submodule head (#9049)

* e0b115a 2021-10-22 | [copp] add dhcpv6 copp rules (#1979) (HEAD -> 201811, github/201811) [Ying Xie]

Signed-off-by: Ying Xie <ying.xie@microsoft.com>
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Ying Xie 2021-10-25 08:05:10 -07:00 committed by GitHub
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Subproject commit 35037053e6b8c0b1dd48ca6ad08a4e8939b9b8ec Subproject commit e0b115a03441064f2b6f413a2fbc8e28bb59bffe