ci: fix pyodbc install failure

[dpgaspar]

Description

Fix pyodbc currently failing on CI with:

      gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O3 -Wall -fPIC -DPYODBC_VERSION=4.0.30 -I/opt/hostedtoolcache/Python/3.7.15/x64/include/python3.7m -c src/buffer.cpp -o build/temp.linux-x86_64-3.7/src/buffer.o -Wno-write-strings
      In file included from /usr/include/sql.h:19:0,
                       from src/pyodbc.h:56,
                       from src/buffer.cpp:12:
      /usr/include/sqltypes.h:56:10: fatal error: unixodbc.h: No such file or directory
       #include "unixodbc.h"
                ^~~~~~~~~~~~
      compilation terminated.
      error: command 'gcc' failed with exit status 1
      [end of output]

Following: microsoft/linux-package-repositories#36

ADDITIONAL INFORMATION

• Has associated issue:
• Is CRUD MVC related.
• Is Auth, RBAC security related.
• Changes the security db schema.
• Introduces new feature
• Removes existing feature

[codecov]

Codecov Report

Merging #1992 (964baa0) into master (5b50d42) will increase coverage by 0.03%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #1992      +/-   ##
==========================================
+ Coverage   78.07%   78.10%   +0.03%     
==========================================
  Files          71       71              
  Lines        8611     8611              
==========================================
+ Hits         6723     6726       +3     
+ Misses       1888     1885       -3     

Flag	Coverage Δ
python	78.10% <ø> (+0.03%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
flask_appbuilder/security/sqla/manager.py	75.50% <0.00%> (+0.25%)	⬆️
flask_appbuilder/models/sqla/interface.py	81.92% <0.00%> (+0.33%)	⬆️

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