ci: Make Conda Nightly tests use main over 1.x

Signed-off-by: Julien Jerphanion <[email protected]>

.github/workflows/conda_canary.yml

@@ -29,20 +29,20 @@ jobs:
     steps:
       - uses: actions/checkout@v4
         with:
-          ref: '1.x'  # Conda latest is on 1.x version
+          ref: 'main'
       - name: create mamba build environment
         uses: mamba-org/setup-micromamba@v1
         with:
           environment-name: build_env
-          environment-file: ./mamba/environment-dev.yml
+          environment-file: ./dev/environment-dev.yml
           condarc: |
             channels:
               - conda-forge
               - conda-canary/label/dev
             channel-priority: flexible
           create-args: >-
             python=3.10
-            conda=*+*
+            conda=*
 
       # Build Mamba
       - uses: hendrikmuhs/ccache-action@main