Before this PR
If storage.read() or storage.write() returns an Err, read_and_update_ocsp_in_storage will return the Err, and SXG will not be generated.
After this PR
read_and_update_ocsp_in_storage ignores storage errors, and continues generating SXG.
storage.read()orstorage.write()returns anErr,read_and_update_ocsp_in_storagewill return theErr, and SXG will not be generated.read_and_update_ocsp_in_storageignores storage errors, and continues generating SXG.