Why I did it
This is a manual cherry-pick of
sonic-net/sonic-buildimage#24105 24105
[202412] Upgrade xgs SAI version to 13.2.1.7 to include the following
fixes:

[CS00012424807]: FDB entry causing bad port state when added after
drop_counter is configured
[CS00012425264]: SRv6 uN USD decapsulation does not handle DSCP value of
inner header properly
Work item tracking
Microsoft ADO (number only): 35118084
How I did it
Update xgs SAI version in sai.mk file.

Co-authored-by: zitingguo-ms <zitingguo@microsoft.com>

[Broadcom] Upgrade xgs SAI version to 13.2.1.7

) (sonic-net#1670)

[Broadcom] Upgrade xgs SAI version to 13.2.1.7

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#### Why I did it

##### Work item tracking
- Microsoft ADO **(number only)**:

#### How I did it

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Why I did it
This is a manual cherry-pick of
sonic-net/sonic-buildimage#24105 24105
[202412] Upgrade xgs SAI version to 13.2.1.7 to include the following
fixes:

[CS00012424807]: FDB entry causing bad port state when added after
drop_counter is configured
[CS00012425264]: SRv6 uN USD decapsulation does not handle DSCP value of
inner header properly
Work item tracking
Microsoft ADO (number only): 35118084
How I did it
Update xgs SAI version in sai.mk file.

Co-authored-by: zitingguo-ms <zitingguo@microsoft.com>

[Broadcom] Upgrade xgs SAI version to 13.2.1.7

Signed-off-by: Feng Pan <fenpan@microsoft.com>