fix(ci): align commit analysis regex with timetraq-backend pattern

- Use grep -E with correct escaping for major detection
  (BREAKING CHANGE|feat(...)?!:)
- Use proper regex for minor detection
  (^feat(...)?:) matching both feat: and feat(scope):

Author: radityaapratamaa

.github/workflows/auto-tag.yml

@@ -42,9 +42,9 @@ jobs:
           COMMITS=$(git log "$PREVIOUS_TAG..HEAD" --format=%B --no-decorate 2>/dev/null || echo "")
 
           BUMP="patch"
-          if echo "$COMMITS" | grep -q -i "BREAKING CHANGE\|^.*\!:"; then
+          if echo "$COMMITS" | grep -qE "BREAKING CHANGE|feat(\(.*\))?!:"; then
             BUMP="major"
-          elif echo "$COMMITS" | grep -q -E "^feat"; then
+          elif echo "$COMMITS" | grep -qE "^feat(\(.*\))?:"; then
             BUMP="minor"
           fi