Fix oracle linux repo (#6627)

roles/bootstrap-os/tasks/bootstrap-centos.yml

@@ -32,11 +32,12 @@
 - name: Enable Oracle Linux repo
   ini_file:
     dest: "/etc/yum.repos.d/oracle-linux-ol{{ ansible_distribution_major_version }}.repo"
-    section: "{{ item }}"
-    option: enabled
-    value: "1"
+    section: "ol{{ ansible_distribution_major_version }}_addons"
+    option: "{{ item.option }}"
+    value: "{{ item.value }}"
   with_items:
-    - "ol{{ ansible_distribution_major_version }}_addons"
+    - { option: "enabled", value: "1" }
+    - { option: "baseurl", value: "http://yum.oracle.com/repo/OracleLinux/OL{{ ansible_distribution_major_version }}/addons/x86_64/" }
   when:
     - '"Oracle" in os_release.stdout'
     - (ansible_distribution_version | float) >= 7.6