CI: Pin numpy

Author: bashtage

ci/azure/azure_template_posix.yml

@@ -19,12 +19,15 @@ jobs:
       python39_legacy:
         python.version: '3.9'
         PANDAS: 1.5.3
+        NUMPY: 1.23.4
       python310_legacy:
-        python.version: '3.9'
+        python.version: '3.10'
         PANDAS: 2.0.3
+        NUMPY: 1.24.4
       python311_latest:
         python.version: '3.11'
         PANDAS: 2.1.4
+        NUMPY: 1.26.4
       python312_latest:
         python.version: '3.12'
       python313_latest:
@@ -40,6 +43,9 @@ jobs:
       python -m pip install pip setuptools -U      
       python -m pip install -r requirements.txt
       python -m pip install -r requirements-dev.txt
+      if [[ -n ${NUMPY} ]]; then 
+        python -m pip install numpy==${NUMPY}
+      fi;
       if [[ -n ${PANDAS} ]]; then 
         python -m pip install pandas==${PANDAS}
       fi;

ci/azure/azure_template_windows.yml

@@ -19,12 +19,14 @@ jobs:
       python39_legecy:
         python.version: '3.9'
         PANDAS: 1.5.3
+        NUMPY: 1.23.4
       python310_recent:
         python.version: '3.10'
-        PANDAS: 2.0.3
+        NUMPY: 1.24.4
       python311_latest:
         python.version: '3.11'
         PANDAS: 2.1.4
+        NUMPY: 1.26.4
       python312_latest:
         python.version: '3.12'
       python313_latest:
@@ -44,10 +46,13 @@ jobs:
     displayName: 'Install dependencies'
 
   - powershell: |
+      if ($null -ne $env:NUMPY) {
+        python -m pip install numpy==${NUMPY}
+      }
       if ($null -ne $env:PANDAS) {
         python -m pip install pandas==${PANDAS}
       }
-    displayName: 'Update pandas (if needed)'
+    displayName: 'Update numpy and pandas (if needed)'
 
   - script: |
       python -m pip install -e . -vv