[SecurityBundle] Fixed configuration exemple

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | -
| License       | MIT
| Doc PR        | -
merged branch lyrixx/fix-security-config (PR #7528)

This PR was merged into the 2.1 branch.

Discussion
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[2.1][SecurityBundle] Fixed configuration exemple

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | -
| License       | MIT
| Doc PR        | -

Commits
-------

2c7a99b [SecurityBundle] Fixed configuration exemple