fix(exporters): handle read-only config in sentence-transformers >=5 (#2439)
* fix(exporters): handle read-only config in sentence-transformers >=5
Fixes #2438
* test: simplify read-only config regression test
Signed-off-by: Sai Asish Y <say.apm35@gmail.com>
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Signed-off-by: Sai Asish Y <say.apm35@gmail.com>