fix: strip leading slash from forgejo.repository in aikido full scan

aikido-full-scan/action.yml

@@ -12,8 +12,15 @@ inputs:
 runs:
   using: composite
   steps:
+    - name: Normalize repository name
+      id: repo
+      shell: bash
+      run: |
+        repo="${{ forgejo.repository }}"
+        echo "name=${repo#/}" >> $GITHUB_OUTPUT
+
     - uses: https://schmalz-git.git.onstackit.cloud/schmalz/shared-actions/internal-aikido-full-scan@internal-aikido-full-scan-v1
       with:
         apikey: ${{ inputs.apikey }}
-        repository-name: ${{ forgejo.repository }}
+        repository-name: ${{ steps.repo.outputs.name }}
         branch-name: ${{ forgejo.ref_name }}