fix: Recognize Fn::Select in environment config schema

[Johnogram]

Closes: #11109

[codecov]

Codecov Report

Merging #11114 (17a98e0) into main (497529a) will not change coverage.
The diff coverage is n/a.

❗ Current head 17a98e0 differs from pull request most recent head 95cff78. Consider uploading reports for the commit 95cff78 to get more accurate results

@@           Coverage Diff           @@
##             main   #11114   +/-   ##
=======================================
  Coverage   86.04%   86.04%           
=======================================
  Files         315      315           
  Lines       13274    13274           
=======================================
  Hits        11422    11422           
  Misses       1852     1852           

Impacted Files	Coverage Δ
lib/plugins/aws/provider.js	94.67% <ø> (ø)

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[pgrzesik]

well done, thank you @Johnogram 🙇