[Minor] Narrow search range of lr-finder, lessen skip-window of lr_suggestion #243

ModelReport

Benchmark	Metric	main	current	diff
YosemiteTemps	MAE_val	0.58957	0.57299	-2.81%	✅
YosemiteTemps	RMSE_val	0.86595	0.84755	-2.12%	✅
YosemiteTemps	Loss_val	0.00044	0.00042	-4.16%	✅
YosemiteTemps	MAE	0.9641	0.93964	-2.54%	✅
YosemiteTemps	RMSE	1.69444	1.65623	-2.26%	✅
YosemiteTemps	Loss	0.00123	0.00118	-4.31%	✅
YosemiteTemps	LR	8e-05	0.0001	27.76%	❌
YosemiteTemps	time	142.98	139.89	-2.16%	✅
EnergyPriceDaily	MAE_val	5.39142	5.4019	0.19%	✅
EnergyPriceDaily	RMSE_val	6.65739	6.70638	0.74%	✅
EnergyPriceDaily	Loss_val	0.02483	0.02518	1.44%	✅
EnergyPriceDaily	MAE	5.93446	5.91313	-0.36%	✅
EnergyPriceDaily	RMSE	7.96693	7.94013	-0.34%	✅
EnergyPriceDaily	Loss	0.02572	0.02554	-0.72%	✅
EnergyPriceDaily	LR	0.00019	0.00029	52.74%	❌
EnergyPriceDaily	time	39.9495	39.56	-0.97%	✅
AirPassengers	MAE_val	30.8849	30.1289	-2.45%	✅
AirPassengers	RMSE_val	32.0342	31.082	-2.97%	✅
AirPassengers	Loss_val	0.01319	0.01242	-5.86%	🎉
AirPassengers	MAE	6.49056	6.12209	-5.68%	🎉
AirPassengers	RMSE	8.45795	7.80953	-7.67%	🎉
AirPassengers	Loss	0.00071	0.00064	-9.81%	🎉
AirPassengers	LR	0.00022	0.0004	87.04%	❌
AirPassengers	time	9.38739	9.44	0.56%	✅
PeytonManning	MAE_val	0.35144	0.35028	-0.33%	✅
PeytonManning	RMSE_val	0.50166	0.50092	-0.15%	✅
PeytonManning	Loss_val	0.01781	0.01774	-0.36%	✅
PeytonManning	MAE	0.34701	0.34667	-0.1%	✅
PeytonManning	RMSE	0.4942	0.49358	-0.13%	✅
PeytonManning	Loss	0.01469	0.01466	-0.18%	✅
PeytonManning	LR	0.00028	0.00032	14.98%	❌
PeytonManning	time	24.4956	24.91	1.69%	✅