build(deps): bump mssql from 12.7.6 to 12.7.9

[dependabot]

Bumps mssql from 12.7.6 to 12.7.9.

Release notes

Sourced from mssql's releases.

v12.7.9

12.7.9 (2026-10-15)

Bug Fixes

• reject begin() and prepare() with ECONNCLOSED when the pool is not connected (d7bb9a3)
• reject begin() and prepare() with ENOCONN when there is no pool (c26163e)
• stop msnodesqlv8 bulk loads swallowing what their callback throws (670c612)

v12.7.8

12.7.8 (2026-10-15)

Bug Fixes

• call a request's callback once when it throws (c4790cd)
• release the connection when msnodesqlv8 throws starting a request (608da61)
• settle msnodesqlv8 bulk loads when no connection can be acquired (7774ae0)

v12.7.7

12.7.7 (2026-10-15)

Bug Fixes

• complete msnodesqlv8 streams when an error ends the batch (adbb028)
• give the connection back when a transaction fails to begin (1ac92d1)
• give the connection back when an msnodesqlv8 transaction fails to begin (8372c96)
• pass request errors to the destination of Request.pipe() (fc19d95)
• publish the destroy of a pooled tedious connection that has already closed (fb66299)
• release a piped request when its destination fails (d039a07)
• resume a request when its readable stream is destroyed (cbcd0f4)
• stop msnodesqlv8 streams losing rows under back pressure (061048e)
• stop msnodesqlv8 streams resumed after they end from hanging the connection (081483f)

Commits

• d0803a0 Merge pull request #1932 from dhensby/fix/msnodesqlv8-bulk-bind-reentry
• 97aa78e Merge pull request #1931 from dhensby/fix/transaction-prepare-connected-guard
• 670c612 fix: stop msnodesqlv8 bulk loads swallowing what their callback throws
• fddb3a3 Merge pull request #1927 from dhensby/fix/pool-acquire-callback-reentry
• d7bb9a3 fix: reject begin() and prepare() with ECONNCLOSED when the pool is not conne...
• c26163e fix: reject begin() and prepare() with ENOCONN when there is no pool
• da4447d Merge pull request #1925 from dhensby/fix/msnodesqlv8-bulk-acquire-error
• e08812c Merge pull request #1926 from dhensby/docs/ereqinprog-request-errors
• c4790cd fix: call a request's callback once when it throws
• 608da61 fix: release the connection when msnodesqlv8 throws starting a request
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