fix: Add missing default variables in container script

- Add RUN_JENKINS_BUILDER and packaging variables to container script defaults
- Prevents unbound variable errors when running Jenkins builder inside container
- Includes all GROUP*_TARGETS variables for build group execution

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

qt6-after/qt6-migrated-legatus/new_docker_build.sh

@@ -1307,6 +1307,33 @@ RUN_CTEST="${RUN_CTEST:-ON}"
 TESTS_ONLY="${TESTS_ONLY:-OFF}"
 INTEGRATION_TEST="${INTEGRATION_TEST:-OFF}"
 APT_PACKAGES_STRING="${APT_PACKAGES_STRING:-}"
+# Jenkins builder and packaging variables
+RUN_JENKINS_BUILDER="${RUN_JENKINS_BUILDER:-OFF}"
+PACKAGE_OUTPUT_DIR="${PACKAGE_OUTPUT_DIR:-/workspace/packages-out}"
+LTS_VERSION="${LTS_VERSION:-1.0}"
+PROJECT="${PROJECT:-guez}"
+GUEZ_MODE="${GUEZ_MODE:-ON}"
+BUILD_NUMBER="${BUILD_NUMBER:-1}"
+BUILD_TAG="${BUILD_TAG:-manual-build}"
+BUILD_CODIFICATION="${BUILD_CODIFICATION:-OFF}"
+VERIFY_RPM="${VERIFY_RPM:-OFF}"
+CMAKE_BUILD_FLAGS="${CMAKE_BUILD_FLAGS:-}"
+RELEASE_BUILD="${RELEASE_BUILD:-OFF}"
+QT_VERSION="${QT_VERSION:-6.10.2}"
+QT_ARCH="${QT_ARCH:-linux_gcc_64}"
+QT_ARCH_DIR="${QT_ARCH_DIR:-gcc_64}"
+QT_BASE_DIR="${QT_BASE_DIR:-/opt/Qt}"
+GROUP1_TARGETS="${GROUP1_TARGETS:-}"
+GROUP2_TARGETS="${GROUP2_TARGETS:-}"
+GROUP3_TARGETS="${GROUP3_TARGETS:-}"
+GROUP4_TARGETS="${GROUP4_TARGETS:-}"
+GROUP5_TARGETS="${GROUP5_TARGETS:-}"
+GROUP6_TARGETS="${GROUP6_TARGETS:-}"
+GROUP7_TARGETS="${GROUP7_TARGETS:-}"
+GROUP8_TARGETS="${GROUP8_TARGETS:-}"
+GROUP9_TARGETS="${GROUP9_TARGETS:-}"
+GROUP10_TARGETS="${GROUP10_TARGETS:-}"
+GROUP11_TARGETS="${GROUP11_TARGETS:-}"
 
 log_info() {
   printf 'INFO: %s\n' "$*"