MNT: Re-rendered with conda-smithy 3.53.3 and conda-forge-pinning 2025.12.12.10.31.43

Other tools:
- conda-build 25.11.0
- rattler-build 0.51.0
- rattler-build-conda-compat 1.4.10

Author: Luthaf

.ci_support/linux_64_.yaml

@@ -1,5 +1,3 @@
-cdt_name:
-- conda
 channel_sources:
 - conda-forge
 - metatensor

.github/workflows/conda-build.yml

@@ -29,7 +29,7 @@ jobs:
     steps:
 
     - name: Checkout code
-      uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+      uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b # v4.1.4
 
     - name: Build on Linux
       id: build-linux