Rename allow-secrets to post-review

Since jobs which use secrets in the trusted execution context are
always allowed, the name of this attribute was confusing.  By renaming
it to 'post-review' (and the corresponding job attribute to
'post-review') we indicate what the actual concern is.

Change-Id: I59607621d5b99508b94074133bfc67e64e708a7d
diff --git a/tests/fixtures/config/ansible/git/common-config/zuul.yaml b/tests/fixtures/config/ansible/git/common-config/zuul.yaml
index ba6227b..d90f5e2 100644
--- a/tests/fixtures/config/ansible/git/common-config/zuul.yaml
+++ b/tests/fixtures/config/ansible/git/common-config/zuul.yaml
@@ -1,7 +1,7 @@
 - pipeline:
     name: check
     manager: independent
-    allow-secrets: true
+    post-review: true
     trigger:
       gerrit:
         - event: patchset-created
diff --git a/tests/fixtures/config/data-return/git/common-config/zuul.yaml b/tests/fixtures/config/data-return/git/common-config/zuul.yaml
index 4db7eb6..906dc5b 100644
--- a/tests/fixtures/config/data-return/git/common-config/zuul.yaml
+++ b/tests/fixtures/config/data-return/git/common-config/zuul.yaml
@@ -1,7 +1,7 @@
 - pipeline:
     name: check
     manager: independent
-    allow-secrets: true
+    post-review: true
     trigger:
       gerrit:
         - event: patchset-created
diff --git a/tests/fixtures/config/disk-accountant/git/common-config/zuul.yaml b/tests/fixtures/config/disk-accountant/git/common-config/zuul.yaml
index 4a13e73..893ea05 100644
--- a/tests/fixtures/config/disk-accountant/git/common-config/zuul.yaml
+++ b/tests/fixtures/config/disk-accountant/git/common-config/zuul.yaml
@@ -1,7 +1,7 @@
 - pipeline:
     name: check
     manager: independent
-    allow-secrets: true
+    post-review: true
     trigger:
       gerrit:
         - event: patchset-created
diff --git a/tests/fixtures/config/inventory/git/common-config/zuul.yaml b/tests/fixtures/config/inventory/git/common-config/zuul.yaml
index d2179b7..7809c5d 100644
--- a/tests/fixtures/config/inventory/git/common-config/zuul.yaml
+++ b/tests/fixtures/config/inventory/git/common-config/zuul.yaml
@@ -1,7 +1,7 @@
 - pipeline:
     name: check
     manager: independent
-    allow-secrets: true
+    post-review: true
     trigger:
       gerrit:
         - event: patchset-created
diff --git a/tests/fixtures/config/pre-playbook/git/common-config/zuul.yaml b/tests/fixtures/config/pre-playbook/git/common-config/zuul.yaml
index 0a6c557..16d1966 100644
--- a/tests/fixtures/config/pre-playbook/git/common-config/zuul.yaml
+++ b/tests/fixtures/config/pre-playbook/git/common-config/zuul.yaml
@@ -1,7 +1,7 @@
 - pipeline:
     name: check
     manager: independent
-    allow-secrets: true
+    post-review: true
     trigger:
       gerrit:
         - event: patchset-created
diff --git a/tests/fixtures/layouts/untrusted-secrets.yaml b/tests/fixtures/layouts/untrusted-secrets.yaml
index cfa03e0..b90d3d7 100644
--- a/tests/fixtures/layouts/untrusted-secrets.yaml
+++ b/tests/fixtures/layouts/untrusted-secrets.yaml
@@ -17,7 +17,7 @@
 
 - job:
     name: project1-test
-    untrusted-secrets: true
+    post-review: true
 
 - project:
     name: org/project1