Bump actions/github-script from 3 to 6

Bumps [actions/github-script](https://github.com/actions/github-script) from 3 to 6.
- [Release notes](https://github.com/actions/github-script/releases)
- [Commits](https://github.com/actions/github-script/compare/v3...v6)

---
updated-dependencies:
- dependency-name: actions/github-script
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/build_doc.yml

@@ -9,7 +9,7 @@ jobs:
 
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/github-script@v3
+      - uses: actions/github-script@v6
         id: get_round
         with:
          result-encoding: string
@@ -31,7 +31,7 @@ jobs:
              }
            }
            return 'stop'
-      - uses: actions/github-script@v3
+      - uses: actions/github-script@v6
         if: steps.get_round.outputs.result != 'stop'
         id: get_pr_number
         with:
@@ -115,7 +115,7 @@ jobs:
           fi
 
       - name: Post address
-        uses: actions/github-script@v3
+        uses: actions/github-script@v6
         if: ${{ success() && steps.get_round.outputs.result != 'stop' }}
         with:
           script: |
@@ -131,7 +131,7 @@ jobs:
             });
 
       - name: Post error
-        uses: actions/github-script@v3
+        uses: actions/github-script@v6
         if: ${{ failure() && steps.get_round.outputs.result != 'stop' }}
         with:
           script: |

.github/workflows/filter_testsuite.yml

@@ -9,7 +9,7 @@ jobs:
     if: (github.event.comment.user.login == 'sloriot' || github.event.comment.user.login == 'lrineau') && contains(github.event.comment.body, '/testme')
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/github-script@v3
+      - uses: actions/github-script@v6
         id: get_label
         with:
          result-encoding: string
@@ -58,7 +58,7 @@ jobs:
             ssh ${HOST} "${PATH_TO_SCRIPT}/run_testsuite_from_branch_name.sh $USER_NAME $BRANCH_NAME $BASE $PR_NUMBER"
           done
       - name: Post address
-        uses: actions/github-script@v3
+        uses: actions/github-script@v6
         with:
           script: |
             const address = "Testsuite launched. Results will appear on the following page: https://cgal.geometryfactory.com/~cgaltest/test_suite/TESTRESULTS/index.shtml "