Add label to label config to auto apply labels based on other labels (#125042)

* Implemented in https://github.com/pytorch/test-infra/pull/5127,
* Tested in malfet/delete me: https://github.com/malfet/deleteme/issues/85
Pull Request resolved: https://github.com/pytorch/pytorch/pull/125042
Approved by: https://github.com/huydhn

.github/label_to_label.yml

@@ -0,0 +1,13 @@
+# Use this to auto apply labels based on other labels.  Applies to both PRs and
+# issues. Currently only supports any and all
+- any:
+  - "module: custom operators"
+  - "module: aotdispatch"
+  then:
+  - "module: pt2-dispatcher"
+- any:
+  - "module: dynamo"
+  - "module: pt2-dispatcher"
+  - "module: inductor"
+  then:
+  - "oncall: pt2"

.github/pytorch-probot.yml

@@ -24,3 +24,4 @@ retryable_workflows:
 - linux-binary
 - windows-binary
 labeler_config: labeler.yml
+label_to_label_config: label_to_label.yml