[Manifest] Bump standalone deployment version in doc

[numerology]

to 0.1.38

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This change is 

[numerology]

/assign @Bobgy

[Bobgy]

/lgtm
/approve

I am also thinking about syncing the public doc back or just put a link to the public doc here to avoid duplicate maintenance. WDYT?

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[numerology]

/lgtm
/approve

I am also thinking about syncing the public doc back or just put a link to the public doc here to avoid duplicate maintenance. WDYT?

+1 on a single source of truth.

I'm curious why we are using some other copies of the manifest instead of the version on the released branch?