update release version 0.1.6

Author: JamesLYC88

setup.cfg

@@ -1,6 +1,6 @@
 [metadata]
 name = libmultilabel
-version = 0.1.5
+version = 0.1.6
 author = LibMultiLabel Team
 license = MIT License
 license_file = LICENSE
@@ -32,7 +32,7 @@ install_requires =
     torch>=1.12.0
     torchmetrics>=0.9.2
     torchtext>=0.13.0
-    pytorch-lightning>=1.6.5
+    pytorch-lightning==1.7.7
     tqdm
     liblinear-multicore
     numba