chore: fix github action workflow syntax

Correction for 2f58d0b commit.

Relate to #1617

[skip ci]

Author: php-coder

.github/workflows/todos-handle-issue-changes.yml

@@ -40,8 +40,8 @@ jobs:
 
       - name: Update issue state
         env:
-          ISSUE_ID: {{ github.event.issue.number }}
-          NEW_STATE: {{ github.event.action }}
+          ISSUE_ID: ${{ github.event.issue.number }}
+          NEW_STATE: ${{ github.event.action }}
         run: >-
           awk \
             -v issue_id="$ISSUE_ID" \