chore: improve CI workflows

Author: emretepedev

.github/workflows/cd.yml

@@ -63,7 +63,7 @@ jobs:
       - name: Analyze contracts with Mythril
         if: steps.changed-sol-files.outputs.any_changed == 'true'
         run: |
-          for file in $CHANGED_FILES; do
+          for file in contracts/*.sol; do
             myth analyze --solc-json mythril.config.json "$file" &
           done
           wait

contracts/Timers.sol

@@ -3,7 +3,7 @@
 pragma solidity 0.8.28;
 
 /**
- * FIXME: CI test
+ * FIXME: CI test.
  */
 library Timers {
     struct BlockNumber {