Update torch requirement from <1.14.0,>=1.7.0 to >=1.7.0,<2.1.0

Updates the requirements on [torch](https://github.com/pytorch/pytorch) to permit the latest version.
- [Release notes](https://github.com/pytorch/pytorch/releases)
- [Changelog](https://github.com/pytorch/pytorch/blob/master/RELEASE.md)
- [Commits](pytorch/pytorch@v1.7.0...v2.0.0)

---
updated-dependencies:
- dependency-name: torch
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <[email protected]>

setup.py

@@ -14,7 +14,7 @@ def readme():
         "prophet>=1.1.0, <2.0.0",
     ],
     "torch": [
-        "torch>=1.7.0, <1.14.0"
+        "torch>=1.7.0, <2.1.0"
     ],
     # https://github.com/SeldonIO/alibi-detect/issues/375 and 387
     "tensorflow": [
@@ -23,14 +23,14 @@ def readme():
     ],
     "keops": [
         "pykeops>=2.0.0, <2.2.0",
-        "torch>=1.7.0, <1.14.0"
+        "torch>=1.7.0, <2.1.0"
     ],
     "all": [
         "prophet>=1.1.0, <2.0.0",
         "tensorflow_probability>=0.8.0, <0.19.0",
         "tensorflow>=2.2.0, !=2.6.0, !=2.6.1, <2.12.0",  # https://github.com/SeldonIO/alibi-detect/issues/375 and 387
         "pykeops>=2.0.0, <2.2.0",
-        "torch>=1.7.0, <1.14.0"
+        "torch>=1.7.0, <2.1.0"
     ],
 }