fix: escape variables in release workflow heredoc

Author: tornikegomareli

.github/workflows/release.yml

@@ -43,13 +43,18 @@ jobs:
           # Generate commit list since previous tag
           COMMITS=$(git log --pretty=format:"- %s" $PREV_TAG..${{ github.ref_name }})
           
-          cat << EOF > release_notes.md
+          cat << 'EOF' > release_notes.md
 ## What's Changed
 
-$COMMITS
+${COMMITS}
 
-**Full Changelog**: https://github.com/${{ github.repository }}/compare/$PREV_TAG...${{ github.ref_name }}
+**Full Changelog**: https://github.com/${{ github.repository }}/compare/${PREV_TAG}...${{ github.ref_name }}
 EOF
+          # Replace variables in the file
+          sed -i "s|\${COMMITS}|$COMMITS|g" release_notes.md
+          sed -i "s|\${{ github.repository }}|${{ github.repository }}|g" release_notes.md
+          sed -i "s|\${PREV_TAG}|$PREV_TAG|g" release_notes.md
+          sed -i "s|\${{ github.ref_name }}|${{ github.ref_name }}|g" release_notes.md
 
           echo "RELEASE_NOTES<<EOF" >> $GITHUB_ENV
           cat release_notes.md >> $GITHUB_ENV