e2e: Use fully qualified image name for centos:8

CRI-O 1.34+ enforces short name mode by default, which refuses
to pull images with unqualified names like 'centos:8' because they
are ambiguous.

Use the full image quay.io/centos/centos:8

Fixes #1471

Signed-off-by: Ram Lavi <ralavi@redhat.com>

e2e/templates/default-route1.yml.j2

@@ -32,7 +32,7 @@ metadata:
 spec:
   containers:
   - name: default-route-worker1
-    image: centos:8
+    image: quay.io/centos/centos:8
     command: ["/bin/sleep", "10000"]
     securityContext:
       privileged: true
@@ -51,7 +51,7 @@ metadata:
 spec:
   containers:
   - name: default-route-worker2
-    image: centos:8
+    image: quay.io/centos/centos:8
     command: ["/bin/sleep", "10000"]
     securityContext:
       privileged: true

e2e/templates/simple-macvlan1.yml.j2

@@ -34,7 +34,7 @@ metadata:
 spec:
   containers:
   - name: macvlan-worker1
-    image: centos:8
+    image: quay.io/centos/centos:8
     command: ["/bin/sleep", "10000"]
     securityContext:
       privileged: true
@@ -55,7 +55,7 @@ metadata:
 spec:
   containers:
   - name: macvlan-worker2
-    image: centos:8
+    image: quay.io/centos/centos:8
     command: ["/bin/sleep", "10000"]
     securityContext:
       privileged: true

e2e/templates/simple-pod.yml.j2

@@ -9,7 +9,7 @@ metadata:
 spec:
   containers:
   - name: simple-centos1
-    image: centos:8
+    image: quay.io/centos/centos:8
     command: ["/bin/sleep", "10000"]
     securityContext:
       privileged: true