[xen master] automation: Ensure that all packages are up-to-dates in CentOS 7 container

[patchbot@xxxxxxx]

commit 0d83a431e960d1ccecc5609ab90019f2d4d80593
Author:     Anthony PERARD <anthony.perard@xxxxxxxxxx>
AuthorDate: Tue Feb 21 16:55:37 2023 +0000
Commit:     Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
CommitDate: Wed Feb 22 13:04:23 2023 +0000

    automation: Ensure that all packages are up-to-dates in CentOS 7 container
    
    This was prompt by the fact that `wget https://xenbits.xenproject.org`
    fails with expired certificates, which turned out to be an expired
    root certificates. Updating all packages fix the issue.
    
    Signed-off-by: Anthony PERARD <anthony.perard@xxxxxxxxxx>
    Acked-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
---
 automation/build/centos/7.dockerfile | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/automation/build/centos/7.dockerfile 
b/automation/build/centos/7.dockerfile
index e688a4cece..f5264e02d9 100644
--- a/automation/build/centos/7.dockerfile
+++ b/automation/build/centos/7.dockerfile
@@ -15,7 +15,8 @@ RUN rpm --rebuilddb && \
     rm -rf /var/cache/yum
 
 # install Xen depends
-RUN yum -y install \
+RUN yum -y update \
+    && yum -y install \
         gcc \
         gcc-c++ \
         ncurses-devel \
--
generated by git-patchbot for /home/xen/git/xen.git#master