fix: lines labeler action version

This due  [lines_labeler_issue] and related to [eox_theming_lines_labeler].
[eox_theming_lines_labeler]: https://github.com/eduNEXT/eox-theming/pull/44/files/66037f401e2cebe33baaec013312e79fcf77892#r1097332568
[lines_labeler_issue]: CodelyTV/pr-size-labeler#15.

Co-authored-by: johanv26

.github/workflows/lines_labeler.yml

@@ -8,6 +8,9 @@ jobs:
   labeler:
     runs-on: ubuntu-latest
     name: Label the PR size
+    permissions:
+      issues: write
+      pull-requests: write
     steps:
       - uses: CodelyTV/pr-size-labeler@v1.8.1
         with:
@@ -21,4 +24,3 @@ jobs:
             'This PR exceeds the recommended size of 1000 lines.
             Check if you are NOT addressing multiple issues with one PR.
             If is not the case continue the review process.'
-          github_api_url: 'api.github.com'