Update dependencies.yaml to new pip index (rapidsai#14575)

This PR changes all references to pypi.nvidia.com to pypi.anaconda.org/rapidsai-wheels-nightly.

Authors:
  - Vyas Ramasubramani (https://github.com/vyasr)

Approvers:
  - Ray Douglass (https://github.com/raydouglass)

URL: rapidsai#14575

dependencies.yaml

@@ -283,6 +283,7 @@ dependencies:
           # pip recognizes the index as a global option for the requirements.txt file
           # This index is needed for rmm-cu{11,12}.
           - --extra-index-url=https://pypi.nvidia.com
+          - --extra-index-url=https://pypi.anaconda.org/rapidsai-wheels-nightly/simple
           - git+https://github.com/python-streamz/streamz.git@master
     specific:
       - output_types: [requirements, pyproject]
@@ -495,6 +496,7 @@ dependencies:
           # pip recognizes the index as a global option for the requirements.txt file
           # This index is needed for rmm, cubinlinker, ptxcompiler.
           - --extra-index-url=https://pypi.nvidia.com
+          - --extra-index-url=https://pypi.anaconda.org/rapidsai-wheels-nightly/simple
     specific:
       - output_types: [conda, requirements, pyproject]
         matrices:
@@ -648,6 +650,7 @@ dependencies:
           # pip recognizes the index as a global option for the requirements.txt file
           # This index is needed for rmm, cubinlinker, ptxcompiler.
           - --extra-index-url=https://pypi.nvidia.com
+          - --extra-index-url=https://pypi.anaconda.org/rapidsai-wheels-nightly/simple
     specific:
       - output_types: [requirements, pyproject]
         matrices:
@@ -673,6 +676,7 @@ dependencies:
           # pip recognizes the index as a global option for the requirements.txt file
           # This index is needed for rmm, cubinlinker, ptxcompiler.
           - --extra-index-url=https://pypi.nvidia.com
+          - --extra-index-url=https://pypi.anaconda.org/rapidsai-wheels-nightly/simple
     specific:
       - output_types: [requirements, pyproject]
         matrices: