Restore CI changes

Author: bashtage

ci/azure_template_posix.yml

@@ -23,7 +23,7 @@ jobs:
         PANDAS: 1.3.0
         STATSMODELS: 0.13.1
         XARRAY: 0.21.0
-        FORMULAIC: 1.0.2
+        FORMULAIC: 1.2.1
         test.wheel: true
       python310_mid_sdist:
         python.version: '3.10'
@@ -33,7 +33,7 @@ jobs:
         STATSMODELS: 0.13.1
         XARRAY: 2022.6.0
         XXHASH: true
-        FORMULAIC: 1.0.2
+        FORMULAIC: 1.2.1
         test.sdist: true
       python310_recent_wheel:
         python.version: '3.10'
@@ -42,11 +42,11 @@ jobs:
         PANDAS: 2.0.0
         STATSMODELS: 0.14.0
         XARRAY: 2023.4.0
-        FORMULAIC: 1.1.0
+        FORMULAIC: 1.2.1
         test.wheel: true
       python310_latest:
         python.version: '3.10'
-        FORMULAIC: 1.2.0
+        FORMULAIC: 1.2.1
         XXHASH: true
         PYARROW: true
       python311_latest: