feat(scalability): drop Dockerfile for openSUSE Tumbleweed (#2384)

Author: bitcoin-tools

.github/workflows/push_release_images.yaml

@@ -27,7 +27,6 @@ jobs:
           - kali
           - manjarolinux
           - opensuse-leap
-          - opensuse-tumbleweed
           # - oraclelinux
           # - redhat-ubi9
           # - rockylinux

.github/workflows/validation.yaml

@@ -441,7 +441,6 @@ jobs:
           - { container: SUSE Enterprise, dockerfile: Dockerfile_sles }
           - { container: Ubuntu, dockerfile: Dockerfile }
           - { container: openSUSE Leap, dockerfile: Dockerfile_opensuse-leap }
-          - { container: openSUSE Tumbleweed, dockerfile: Dockerfile_opensuse-tumbleweed }
     steps:
       - uses: actions/checkout@v5
       - name: Check the current OS version