Try another mirror for openeuler

```
[MIRROR] asio-devel-1.28.1-1.oe2403.x86_64.rpm: Curl error (92): Stream error in the HTTP/2 framing layer for https://repo.openeuler.org/openEuler-24.03-LTS/everything/x86_64/Packages/asio-devel-1.28.1-1.oe2403.x86_64.rpm [HTTP/2 stream 67 was not closed cleanly: INTERNAL_ERROR (err 2)]
```

Author: RazvanLiviuVarzaru

ci_build_images/centos.Dockerfile

@@ -43,6 +43,7 @@ RUN dnf -y install 'dnf-command(config-manager)' \
           # remove . from between the version to correspond to
           # the galera repository name.
           VERSION_ID=-${VERSION_ID%.*}${VERSION_ID#*.}; \
+          sed -i 's#http://repo.openeuler.org#https://mirrors.dotsrc.org/openeuler#g' /etc/yum.repos.d/openEuler.repo; \
           ;; \
         "rocky") \
           ID=rockylinux; \