[submodule]: update sonic-sairedis to latest (#8516)

For gearbox support on arista_7280cr3mk, the following commit in sonic-sairedis is needed:
2021-07-21 c20321c Kamil Cudnik: [meta] Allow objects with the same key exist on different switches (#865)
This commit is contained in:
Junhua Zhai 2021-08-18 11:35:25 -07:00 committed by GitHub
parent 4d03526311
commit 0d84f13cbc
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23

@ -1 +1 @@
Subproject commit 84fa50a88f7bd9b196018d89741fcf95ade0f983
Subproject commit b71c2a5a8f80d9206145ad07b0411e8d7b82ad1c