robosignatory: small fixes

Fix the fedora-41 key, had too many characters there.
Also, the add-key script needs to be readable by the robosignatory user,
so it can't be mode 711.

Signed-off-by: Kevin Fenzi <kevin@scrye.com>

roles/robosignatory/tasks/main.yml

@@ -208,7 +208,7 @@
     dest: /usr/local/bin/sigul-add-key
     owner: root
     group: root
-    mode: 0711
+    mode: 0755
   when: env != 'staging'
   notify:
   - reload systemd

roles/robosignatory/templates/robosignatory.toml.j2

@@ -438,7 +438,7 @@ handlers = ["console"]
             from = "f40"
             to = "f40"
             key = "{{ (env == 'production')|ternary('fedora-41', 'testkey') }}"
-            keyid = "{{ (env == 'production')|ternary('2e99d6ad1', 'd300e724') }}"
+            keyid = "{{ (env == 'production')|ternary('e99d6ad1', 'd300e724') }}"
             file_signing_key = "fedora-41-ima"
 
             # F40 Mass Rebuild