convert back to noarch

The numpy_min context variable had to be added because the if/then
structure previously used is considered a selector and therefore not
allowed in noarch packages.

Author: dhmjhu

recipe/conda_build_config.yaml

@@ -0,0 +1,3 @@
+python_min:
+  - "3.11"
+  - "3.13"

recipe/recipe.yaml

@@ -3,6 +3,8 @@ schema_version: 1
 context:
   name: spikeinterface
   version: 0.103.0
+  numpy_min: ${{ "2.0.0" if match(python_min, ">=3.13") else "1.2.0" }}
+  python_max: 4.0
 
 package:
   name: ${{ name|lower }}
@@ -13,20 +15,18 @@ source:
   sha256: 707cebd20994f32201ecace7241cbcbd7699a7e41e151d6a972f2858a003111d
 
 build:
-  number: 1
+  number: 2
   script: ${{ PYTHON }} -m pip install . -vv --no-deps --no-build-isolation
+  noarch: python
 
 requirements:
   host:
-    - python
+    - python ${{ python_min }}.*
     - setuptools >=78.0.2
     - pip
   run:
-    - python
-    - if: match(python, "<3.13")
-      then: numpy >=1.20
-    - if: match(python, ">=3.13")
-      then: numpy >=2.0.0
+    - python >=${{ python_min }}
+    - numpy >=${{ numpy_min }}
     - threadpoolctl >=3.0.0
     - tqdm
     - zarr >=2.18,<3
@@ -37,6 +37,7 @@ requirements:
     - numcodecs <0.16.0
   run_constraints:
     - kilosort >=4.0.16
+    - python <${{ python_max }}
 
 tests:
   - python: