feat(backends/mssql): Add backend support for Microsoft Sql Server

[oneextrafact]

No description provided.

[github-actions]

Test Results

       41 files         41 suites   1h 41m 23s ⏱️
11 615 tests   8 857 ✔️ 2 758 💤 0 ❌
41 502 runs  31 515 ✔️ 9 987 💤 0 ❌

Results for commit a5b0eb4.

♻️ This comment has been updated with latest results.

[codecov]

Codecov Report

Merging #4879 (226d4cb) into master (df91515) will decrease coverage by 0.84%.
The diff coverage is 56.79%.

❗ Current head 226d4cb differs from pull request most recent head 29c5f74. Consider uploading reports for the commit 29c5f74 to get more accurate results

@@            Coverage Diff             @@
##           master    #4879      +/-   ##
==========================================
- Coverage   92.86%   92.02%   -0.85%     
==========================================
  Files         189      193       +4     
  Lines       21654    21734      +80     
  Branches     3004     3008       +4     
==========================================
- Hits        20110    20001     -109     
- Misses       1130     1318     +188     
- Partials      414      415       +1     

Impacted Files	Coverage Δ
ibis/backends/mssql/datatypes.py	0.00% <0.00%> (ø)
ibis/backends/mssql/registry.py	47.61% <47.61%> (ø)
ibis/backends/mssql/__init__.py	69.23% <69.23%> (ø)
ibis/backends/conftest.py	91.72% <100.00%> (ø)
ibis/backends/mssql/compiler.py	100.00% <100.00%> (ø)
ibis/backends/snowflake/registry.py	0.00% <0.00%> (-93.94%)	⬇️
ibis/backends/snowflake/datatypes.py	0.00% <0.00%> (-89.40%)	⬇️
ibis/backends/snowflake/__init__.py	4.61% <0.00%> (-84.62%)	⬇️
ibis/backends/sqlite/__init__.py	92.20% <0.00%> (-3.90%)	⬇️
ibis/backends/duckdb/__init__.py	82.38% <0.00%> (-1.56%)	⬇️
... and 2 more

[cpcloud]

This is now passing CI, and is ready for review.

[cpcloud]

@oneextrafact It looks like we're all green now! Let me know if you're still having trouble running the tests.