fix(ci): detect rebuild by branch name not version suffix [skip ci]

.mokogitea/workflows/pre-release.yml

@@ -101,10 +101,20 @@ jobs:
             release-candidate)  SUFFIX="-rc";    TAG="release-candidate" ;;
           esac
 
-          # Bump version via CLI: patch for dev/alpha/beta, minor for RC
+          # Bump version: minor only on branch elevation, patch for rebuilds
+          # Check branch name — if already on the target stability branch, it's a rebuild
+          BRANCH="${{ github.ref_name }}"
           case "$STABILITY" in
-            release-candidate) BUMP="minor" ;;
-            *)                 BUMP="patch" ;;
+            release-candidate)
+              if [ "$BRANCH" = "rc" ]; then
+                BUMP="patch"
+              else
+                BUMP="minor"
+              fi
+              ;;
+            *)
+              BUMP="patch"
+              ;;
           esac
 
           php ${MOKO_CLI}/version_bump.php --path . $([ "$BUMP" = "minor" ] && echo "--minor") 2>/dev/null || true