Made fig_invariance_rect_lp.pdf and corresponding appendix figure.

Adjusted fig_invariance_log_hp.pdf with 2nd yaxis in dB.

Co-authored-by: Copilot <copilot@github.com>

python/fig_invariance_log-hp_appendix.py

@@ -65,7 +65,7 @@ mean_colors = {
     'Pseudochorthippus_parallelus': (0,) * 3,
 }
 xlab = 'scale $\\alpha$'
-ylab = '$\\sigma_{\\alpha}\\,/\\,\\sigma_{\\eta}$'
+ylab = '$\\sigma_{\\text{adapt}}\\,/\\,\\sigma_{\\eta}$'
 xlab_kwargs = dict(
     y=0,
     fontsize=16,