Tagging Example - Tags for multiple figs demo (matplotlib#27236)

* chore: added new tags for demo
* Update multiple_figs_demo.py

Author: sp6370

galleries/examples/subplots_axes_and_figures/multiple_figs_demo.py

@@ -49,3 +49,6 @@
 ax.set_xticklabels([])
 
 plt.show()
+
+# %%
+# .. tags:: component: figure, plot type: line