BUG: Fixed reference of value with str.new in TextStringObject #5676

Job	Run time
pytest on windows	6m 24s
Check code style issues	16s
Build & verify package	13s
pytest on 3.8 (crypto-lib: cryptography)	5m 21s
pytest on 3.9 (crypto-lib: cryptography)	5m 28s
pytest on 3.10 (crypto-lib: cryptography)	5m 31s
pytest on 3.11 (crypto-lib: cryptography)	5m 13s
pytest on 3.12 (crypto-lib: cryptography)	6m 41s
pytest on 3.13 (crypto-lib: cryptography)	6m 20s
pytest on 3.8 (crypto-lib: pycryptodome)	5m 24s
pytest on 3.8 (crypto-lib: none)	5m 23s
Combine & check coverage.	15s
	52m 29s

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