pin python version when building and uploading conda package

Author: Dhananjhay

.github/workflows/push_conda.yml

@@ -4,8 +4,8 @@ name: Build and Upload Conda Package
 on:
   push:
     branches: [main]
-  # pull_request:
-  #   types: [opened, synchronize, reopened]
+  pull_request:
+    types: [opened, synchronize, reopened]
   workflow_dispatch:
 jobs:
   build-and-upload:
@@ -29,6 +29,7 @@ jobs:
           use-mamba: true
           conda-solver: libmamba
           auto-activate-base: true
+          python-version: 3.11
       - name: Install dependencies
         run: |
           mamba install -y -c conda-forge conda-build anaconda-client boa