revert numpy version change

Author: vtavana

.github/workflows/conda-package.yml

@@ -109,7 +109,7 @@ jobs:
     strategy:
       matrix:
         python: ["3.9", "3.10", "3.11", "3.12"]
-        numpy: ['2.*']
+        numpy: ['1.26']
         experimental: [false]
         runner: [ubuntu-latest]
     continue-on-error: ${{ matrix.experimental }}
@@ -177,7 +177,7 @@ jobs:
     strategy:
       matrix:
         python: ["3.9", "3.10", "3.11", "3.12"]
-        numpy: ['2.*']
+        numpy: ['1.26']
         experimental: [false]
         runner: [windows-latest]
     continue-on-error: ${{ matrix.experimental }}