Relax torch compatibility to <3

[lostella]

Issue #, if available: Solves #273

Description of changes:

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[lostella]

chronos-t5-small evaluation before/after (df1/df2) the change, using https://github.com/amazon-science/chronos-forecasting/blob/39515ff0fcdae55bbbf546d90193dbe54b201556/scripts/evaluation/evaluate.py:

                                    MASE                  WQL
                                  before      after    before     after
dataset
ETTh                            0.851675   0.777327  0.086678  0.077777
ETTm                            0.682543   0.692318  0.060765  0.060481
dominick                        0.810877   0.807912  0.336810  0.335697
ercot                           0.564880   0.566693  0.015548  0.016285
exchange_rate                   1.814346   2.182487  0.014492  0.013811
m4_quarterly                    1.241533   1.236777  0.083838  0.083788
m4_yearly                       3.738750   3.748101  0.138451  0.138995
m5                              0.936871   0.936890  0.589607  0.589155
monash_australian_electricity   1.224115   1.215008  0.069514  0.072899
monash_car_parts                0.891751   0.887449  1.031499  1.031947
monash_cif_2016                 1.018794   0.994168  0.014633  0.014659
monash_covid_deaths            42.298997  42.342608  0.063395  0.062814
monash_fred_md                  0.474216   0.466764  0.014867  0.016123
monash_hospital                 0.709815   0.710685  0.057047  0.057027
monash_m1_monthly               1.172304   1.166303  0.137990  0.133907
monash_m1_quarterly             1.807783   1.794061  0.113234  0.109248
monash_m1_yearly                4.739968   4.813232  0.173074  0.173566
monash_m3_monthly               0.885658   0.889282  0.099853  0.100100
monash_m3_quarterly             1.278908   1.265200  0.080940  0.079545
monash_m3_yearly                3.382470   3.405070  0.157364  0.158634
monash_nn5_weekly               0.927740   0.932640  0.089639  0.089669
monash_tourism_monthly          1.925118   1.913863  0.109440  0.111581
monash_tourism_quarterly        1.762345   1.756119  0.068624  0.069391
monash_tourism_yearly           3.987690   3.972676  0.199605  0.209664
monash_traffic                  0.820422   0.824421  0.257119  0.258683
monash_weather                  0.855063   0.852889  0.147970  0.147772
nn5                             0.613079   0.618412  0.167714  0.168748

[lostella]

same eval before/after for chronos-bolt-small:

                                    MASE                  WQL
                                   after     before     after    before
dataset
ETTh                            0.792522   0.792522  0.075907  0.075907
ETTm                            0.620962   0.620962  0.050562  0.050562
dominick                        0.870632   0.870613  0.348112  0.348111
ercot                           0.756286   0.756286  0.025961  0.025961
exchange_rate                   1.774835   1.774835  0.011364  0.011364
m4_quarterly                    1.247807   1.247814  0.078089  0.078088
m4_yearly                       3.692647   3.692560  0.127727  0.127726
m5                              0.919538   0.919544  0.566841  0.566843
monash_australian_electricity   0.812842   0.812842  0.041510  0.041510
monash_car_parts                0.858489   0.858457  1.007510  1.007469
monash_cif_2016                 1.018187   1.018247  0.015839  0.015820
monash_covid_deaths            36.469423  36.467596  0.042717  0.042738
monash_fred_md                  0.613132   0.613286  0.037195  0.037304
monash_hospital                 0.695497   0.695449  0.058112  0.058120
monash_m1_monthly               1.127816   1.127762  0.133628  0.133566
monash_m1_quarterly             1.836011   1.835614  0.093653  0.093630
monash_m1_yearly                5.098022   5.098146  0.156718  0.156699
monash_m3_monthly               0.868643   0.868513  0.093960  0.093966
monash_m3_quarterly             1.326916   1.326910  0.076910  0.076910
monash_m3_yearly                3.410465   3.409933  0.154751  0.154764
monash_nn5_weekly               0.926574   0.926651  0.084514  0.084528
monash_tourism_monthly          1.610520   1.610673  0.093679  0.093623
monash_tourism_quarterly        1.835963   1.835782  0.067251  0.067343
monash_tourism_yearly           3.896325   3.896310  0.167642  0.167661
monash_traffic                  0.859796   0.859851  0.251720  0.251738
monash_weather                  0.802058   0.802041  0.132585  0.132586
nn5                             0.583269   0.583305  0.150665  0.150668

[abdulfatir]

Thanks!