SNOW-2084165: Update str(ex_info) to str(ex_info.value) for better string checks #16732

Job	Run time
Type Checking	46s
Check linting	2m 43s
Build Wheel File	15s
Build Doc	6m 5s
Test Local Testing Module py-ubuntu-latest-3.12	14m 1s
Test Local Testing Module py-macos-latest-3.10	20m 49s
Test Local Testing Module py-windows-latest-3.9	11m 15s
Test py-macos-latest-3.12-azure	37m 29s
Test py-macos-latest-3.9-aws	35m 33s
Test Local Testing Module py-windows-latest-3.11	11m 44s
Test py-windows-latest-64-cores-3.11-gcp	41m 11s
Test py-ubuntu-latest-64-cores-3.10-azure	21m 0s
Test py-ubuntu-latest-64-cores-3.9-aws	24m 53s
Test modin-ubuntu-latest-64-cores-3.10-azure	1h 0m 27s
Test AST Encoding py-macos-latest-3.11-aws	1m 56s
Test modin-macos-latest-3.9-aws	56m 45s
Test AST Encoding py-windows-latest-3.11-aws	4m 14s
Doctest AST (phase0) py-macos-latest-3.9	39m 7s
Test modin-windows-latest-64-cores-3.11-gcp	1h 12m 4s
Test modin extra without pandas extra py-macos-3.9-aws.	4m 1s
Test AST enabled (phase0) py-ubuntu-latest-3.12	29m 44s
Test py-windows-latest-64-cores-3.12-gcp	49m 56s
Test modin-ubuntu-latest-64-cores-3.9-aws	1h 11m 41s
Test AST Encoding py-ubuntu-latest-3.11-aws	2m 48s
Test AST enabled (phase0) py-ubuntu-latest-3.9	31m 6s
Test py-ubuntu-latest-64-cores-3.12-aws	30m 7s
Test AST enabled (phase0) py-ubuntu-latest-3.11	39m 5s
Combine coverage	1s
	12h 0m 46s

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