fix(mssql): Change to uppercase on the described table

[JuarezLustosa]

Pull Request check-list

• Does npm run test or npm run test-DIALECT pass with this change (including linting)?
• Does the description below contain a link to an existing issue (Closes #[issue]) or a description of the issue you are solving?
• Have you added new tests to prevent regressions?
• Is a documentation update included (if this change modifies existing APIs, or introduces new ones)?
• Did you update the typescript typings accordingly (if applicable)?
• Did you follow the commit message conventions explained in CONTRIBUTING.md?

Description of change

Fix an error on the described table.

Close #12193

[codecov]

Codecov Report

Merging #12212 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master   #12212   +/-   ##
=======================================
  Coverage   96.34%   96.34%           
=======================================
  Files          95       95           
  Lines        9183     9183           
=======================================
  Hits         8847     8847           
  Misses        336      336           

Impacted Files	Coverage Δ
lib/dialects/mssql/query-generator.js	95.61% <ø> (ø)
lib/model.js	96.60% <0.00%> (ø)

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