Fix container name in docs pipeline

Signed-off-by: Robbie Harwood <rharwood@redhat.com>

Author: frozencemetery

.github/workflows/deploy-docs.yml

@@ -4,7 +4,7 @@
     "jobs": {
         "update-pages": {
             "runs-on": "ubuntu-latest",
-            "container": "fedora-latest",
+            "container": "fedora:latest",
             "steps": [
                 {
                     "name": "Check out code",