Run the opcache-only configuration only for scheduled builds

The opcache-only configuration has very little signal (i.e. it is
very rare that it fails while non-opcache and opcache+jit both
pass). Switch it to run only for nightly builds, so we get faster
results on normal builds.

azure/macos/job.yml

@@ -80,11 +80,12 @@ jobs:
     - template: test.yml
       parameters:
         configurationName: ${{ parameters.configurationName }}
-    - template: test.yml
-      parameters:
-        configurationName: ${{ parameters.configurationName }}
-        runTestsName: 'OpCache'
-        runTestsParameters: -d zend_extension=opcache.so -d opcache.enable_cli=1 -d opcache.protect_memory=1
+    - ${{ if eq(variables['Build.Reason'], 'Schedule') }}:
+      - template: test.yml
+        parameters:
+          configurationName: ${{ parameters.configurationName }}
+          runTestsName: 'OpCache'
+          runTestsParameters: -d zend_extension=opcache.so -d opcache.enable_cli=1 -d opcache.protect_memory=1
     - ${{ if eq(variables['Build.Reason'], 'Schedule') }}:
       - template: test.yml
         parameters:

azure/tests.yml

@@ -7,13 +7,14 @@ steps:
     parameters:
       configurationName: ${{ parameters.configurationName }}
       runTestsParameters: ${{ parameters.runTestsParameters }}
-  - template: test.yml
-    parameters:
-      configurationName: ${{ parameters.configurationName }}
-      runTestsName: 'OpCache'
-      runTestsParameters: >-
-        ${{ parameters.runTestsParameters }}
-        -d zend_extension=opcache.so
+  - ${{ if eq(variables['Build.Reason'], 'Schedule') }}:
+    - template: test.yml
+      parameters:
+        configurationName: ${{ parameters.configurationName }}
+        runTestsName: 'OpCache'
+        runTestsParameters: >-
+          ${{ parameters.runTestsParameters }}
+          -d zend_extension=opcache.so
   - ${{ if eq(variables['Build.Reason'], 'Schedule') }}:
     - template: test.yml
       parameters: