cherrypick: distsql: increment DistSQL version

[andreimatei]

Cherrypick #18522

As of #17767 I intended to update DistSQL Version and
MinAcceptedVersion, but I failed to do so. The code currently is lying
by claiming compatibility with a version it's not, in fact, compatible
with. This patch sets the correct version.

cc @cockroachdb/release

[cockroach-teamcity]

This change is 

[asubiotto]

with little nits.

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Review status: 0 of 2 files reviewed at latest revision, 2 unresolved discussions, all commit checks successful.

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pkg/sql/distsqlrun/version_history.txt, line 6 at r1 (raw file):

    sent by the server-side of FlowStream informing the producer of the
    consumer's status. The messages would cause a server running the previous
    version to erroneously think that the consumer has sent a drain signal,

s/has/had

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pkg/sql/distsqlrun/version_history.txt, line 7 at r1 (raw file):

    consumer's status. The messages would cause a server running the previous
    version to erroneously think that the consumer has sent a drain signal,
    therefor MinAcceptedVersion was increased.

s/therefor/therefore

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Comments from Reviewable

[andreimatei]

Too late for these nits, unfortunately. I'll fix them on the master branch though.

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Review status: 0 of 2 files reviewed at latest revision, 2 unresolved discussions, all commit checks successful.

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Comments from Reviewable