refactor: simplify bump regex

Co-authored-by: kelvin-chappell <1722550+kelvin-chappell@users.noreply.github.com>

Author: tjsilver

.github/workflows/release.yaml

@@ -48,7 +48,7 @@ jobs:
             MAJOR=$((MAJOR + 1))
             MINOR=0
             PATCH=0
-          elif echo "$COMMITS" | grep -qiE "^(feat|feature)|^Bump:"; then
+          elif echo "$COMMITS" | grep -qiE "^(feat|feature|bump):"; then
             MINOR=$((MINOR + 1))
             PATCH=0
           else