Enable secret scanning for all repos

[ghost]

We (security team at EF: https://www.eclipse.org/security/team/) would like to enable secret scanning for all of the repos of eclipse projects hosted on GitHub. For that purpose we suggest changes to the configuration that the project leads can review.

[github-actions]

Diff for af10365:

Printing local diff for configuration at '/home/runner/work/.eclipsefdn/.eclipsefdn/otterdog-configs/otterdog.json'

Actions are indicated with the following symbols:
+   create
!   modify
!   forced update
-   delete

Organization eclipse-sirius[id=eclipse-sirius]
  there have been 2 validation infos, enable verbose output with '-v' to to display them.

  
!   repository[name="sirius-emf-json"] {
!     secret_scanning                                          = "disabled" -> "enabled"
!     secret_scanning_push_protection                          = "disabled" -> "enabled"
!   }

  
!   repository[name="sirius-specs"] {
!     secret_scanning                                          = "disabled" -> "enabled"
!     secret_scanning_push_protection                          = "disabled" -> "enabled"
!   }

  
!   repository[name="sirius-web"] {
!     secret_scanning                                          = "disabled" -> "enabled"
!     secret_scanning_push_protection                          = "disabled" -> "enabled"
!   }

  
!   repository[name="sirius-website"] {
!     secret_scanning                                          = "disabled" -> "enabled"
!     secret_scanning_push_protection                          = "disabled" -> "enabled"
!   }
  
  Plan: 0 to add, 8 to change, 0 to delete.

Showing diff to a canonical version of the configuration at '/home/runner/work/.eclipsefdn/.eclipsefdn/otterdog-configs/otterdog.json'

Organization eclipse-sirius[id=eclipse-sirius]
--- original
+++ canonical
@@ -36,12 +36,14 @@
       web_commit_signoff_required: false
     }
     orgs.newRepo('sirius-web') {
+      aliases: ['sirius-components']
       allow_merge_commit: false
       allow_squash_merge: false
       allow_update_branch: false
       branch_protection_rules: [
         orgs.newBranchProtectionRule('master') {
           required_approving_review_count: 1
+          required_status_checks: []
           requires_linear_history: true
           requires_strict_status_checks: true
         }

[netomi]

changes have been applied.