Make master branch build jobs non voting

Build jobs for the master branch can be
broken in the mid of release cycle which
is normal. This must not block Loci development.

Change-Id: Ia51fb96358bf833af18a91814ecdc2ee7ec84642

zuul.d/master-ubuntu_jammy.yaml

@@ -1,6 +1,7 @@
 - job:
     name: loci-build-master-ubuntu_jammy
     timeout: 10800
+    voting: false
     dependencies:
       - name: loci-buildset-registry
     pre-run:
@@ -15,6 +16,7 @@
 - job:
     name: loci-upload-master-ubuntu_jammy
     timeout: 10800
+    voting: false
     dependencies:
       - name: loci-buildset-registry
     pre-run:
@@ -31,6 +33,7 @@
 
 - job:
     name: loci-promote-master-ubuntu_jammy
+    voting: false
     run:
       - playbooks/promote.yaml
     vars: *vars

zuul.d/master-ubuntu_noble.yaml

@@ -1,6 +1,7 @@
 - job:
     name: loci-build-master-ubuntu_noble
     timeout: 10800
+    voting: false
     dependencies:
       - name: loci-buildset-registry
     pre-run:
@@ -15,6 +16,7 @@
 - job:
     name: loci-upload-master-ubuntu_noble
     timeout: 10800
+    voting: false
     dependencies:
       - name: loci-buildset-registry
     pre-run:
@@ -31,6 +33,7 @@
 
 - job:
     name: loci-promote-master-ubuntu_noble
+    voting: false
     run:
       - playbooks/promote.yaml
     vars: *vars