Skip Python 2.7 when running functional Daemon tests

[DonJayamanne]

For #7242

[codecov-io]

Codecov Report

Merging #8547 into master will increase coverage by 0.67%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #8547      +/-   ##
==========================================
+ Coverage    58.7%   59.37%   +0.67%     
==========================================
  Files         511      511              
  Lines       23306    23676     +370     
  Branches     3824     3829       +5     
==========================================
+ Hits        13682    14058     +376     
+ Misses       8705     8699       -6     
  Partials      919      919

Impacted Files	Coverage Δ
...t/datascience/jupyter/jupyterDataRateLimitError.ts	100% <0%> (ø)	⬆️
src/client/formatters/serviceRegistry.ts	100% <0%> (ø)	⬆️
...lient/datascience/jupyter/jupyterSelfCertsError.ts	100% <0%> (ø)	⬆️
src/client/debugger/extension/serviceRegistry.ts	100% <0%> (ø)	⬆️
...ience/jupyter/jupyterDebuggerRemoteNotSupported.ts	100% <0%> (ø)	⬆️
src/client/common/variables/serviceRegistry.ts	100% <0%> (ø)	⬆️
src/client/common/process/serviceRegistry.ts	100% <0%> (ø)	⬆️
src/client/common/dotnet/serviceRegistry.ts	100% <0%> (ø)	⬆️
src/client/linters/serviceRegistry.ts	100% <0%> (ø)	⬆️
src/client/interpreter/serviceRegistry.ts	100% <0%> (ø)	⬆️
... and 29 more

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