Fix broken links to PyTorch Lightning Bolts (#9634)

pl_examples/README.md

@@ -1,7 +1,7 @@
 # Examples
 
 Our most robust examples showing all sorts of implementations
-can be found in our sister library [lightning-bolts](https://lightning-bolts.readthedocs.io/en/latest/convolutional.html#gpt-2).
+can be found in our sister library [lightning-bolts](https://pytorch-lightning.readthedocs.io/en/latest/ecosystem/bolts.html).
 
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@@ -18,5 +18,5 @@ ______________________________________________________________________
 ## Domain examples
 
 This folder contains older examples. You should instead use the examples
-in [lightning-bolts](https://lightning-bolts.readthedocs.io/en/latest/convolutional.html#gpt-2)
+in [lightning-bolts](https://pytorch-lightning.readthedocs.io/en/latest/ecosystem/bolts.html)
 for advanced use cases.