Update word list (#170)

* Use GNU/Linux sort instead of MacOS Sort
* Add new common words to the cSpellWordList.txt

.github/.cSpellWords.txt

@@ -1,28 +1,52 @@
-CBMC
-CBOR
-CMOCK
-CMock
-Cmock
-Coverity
-DCMOCK
-DNDEBUG
-DUNITY
-Doesnt
-LLHTTP
-MISRA
-MQTT
-Misra
-Wunused
 abcdefghijk
 abcdefghijklmnopqrstuvwxyzabcdefghijklmnopq
 cbmc
+CBMC
 cbor
+CBOR
 cmock
+Cmock
+CMock
+CMOCK
+coremqtt
 coverity
+Coverity
+CSDK
 ctest
+DCMOCK
+decihours
+Decihours
+DECIHOURS
+DNDEBUG
+Doesnt
+DUNITY
+getpacketid
+isystem
 lcov
 llhttp
+LLHTTP
 lmnopqrstuvw
 misra
+Misra
+MISRA
+MQTT
+mypy
+nondet
+Nondet
+NONDET
+pylint
+pytest
+pyyaml
 sinclude
+UNACKED
+unpadded
+Unpadded
+UNPADDED
+UNSUB
+UNSUBACK
+unsubscriptions
 utest
+vect
+Vect
+VECT
+Wunused