Update NEWS for 2.7.0 release (#840)

Author: bukka

NEWS

@@ -1,6 +1,6 @@
 NEWS for SoftHSM -- History of user visible changes
 
-SoftHSM 2.7.0 - 2026-01-12
+SoftHSM 2.7.0 - 2026-01-20
 
 * Various other build, docs, CI and test fixes and improvements
 # Issue #671: Added allowed mechanism check to AsymEncryptInit and extend
@@ -39,7 +39,7 @@ Bugfixes:
 # Issue #664: Fixed crash in AES GCM without additional authenticated data
 # Issue #646: Fixed "Transaction in database is already active." bug
 * Issue #592: Fixed issue #585 by resetting en/decrypt op on input validation
-* Issue #578: Added flushig files before unlocking
+* Issue #578: Added flushing files before unlocking
 * Issue #576: Fixed race condition between C_FindObjects and object creation
 * Issue #522: Fixed advertised min and max mechanism sizes according to final
   PKCS#11 3.0 specification.