ci: bump HyperStickler to v1-rc.1

Update HyperStickler and disable branch check.

Changes: https://github.com/GeorgeSapkin/hyperstickler/releases/tag/v1-rc.1
Signed-off-by: George Sapkin <george@sapk.in>
(cherry picked from commit 0cb66163db)

.github/workflows/multi-arch-test-build.yml

@@ -13,8 +13,9 @@ jobs:
     runs-on: ubuntu-slim
     steps:
       - name: HyperStickler
-        uses: georgesapkin/hyperstickler@v1-beta.3
+        uses: georgesapkin/hyperstickler@v1-rc.1
         with:
+          check_branch: false
           check_signoff: true
           feedback_url: 'https://github.com/openwrt/actions-shared-workflows/issues'
           guideline_url: 'https://openwrt.org/submitting-patches#submission_guidelines'