ci: add nightly full run of llvmpipe

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/28593>

src/gallium/drivers/llvmpipe/ci/gitlab-ci.yml

@@ -38,6 +38,14 @@ llvmpipe:
     section_end weston
     LD_LIBRARY_PATH="$PWD/install" WAYLAND_DISPLAY=wayland-0 xvfb-run --server-args='-noreset' bash -c ". $SCRIPTS_DIR/setup-test-env.sh && ${XVFB_SCRIPT}"
 
+llvmpipe-full:
+  extends:
+    - llvmpipe
+    - .llvmpipe-manual-rules
+  timeout: 45m  # base runtime = 30m
+  variables:
+    DEQP_FRACTION: 1
+
 llvmpipe-deqp-asan:
   variables:
     DEQP_SUITE: llvmpipe-asan