ci: include mold in x86_64_test-base & rootfs images

Signed-off-by: Eric Engestrom <eric@igalia.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/24490>

.gitlab-ci/container/debian/x86_64_test-base.sh

@@ -1,6 +1,10 @@
 #!/usr/bin/env bash
 # shellcheck disable=SC2086 # we want word splitting
 
+# When changing this file, you need to bump the following
+# .gitlab-ci/image-tags.yml tags:
+# DEBIAN_BASE_TAG
+
 set -e
 set -o xtrace
 
@@ -35,6 +39,7 @@ STABLE_EPHEMERAL=" \
       libepoxy-dev \
       libgbm-dev \
       libpciaccess-dev \
+      libssl-dev
       libvulkan-dev \
       libwayland-dev \
       libx11-xcb-dev \
@@ -123,6 +128,8 @@ pip3 install --break-system-packages git+http://gitlab.freedesktop.org/freedeskt
 # Needed for manipulation with traces yaml files.
 pip3 install --break-system-packages yq
 
+. .gitlab-ci/container/build-mold.sh
+
 ############### Build LLVM-SPIRV translator
 
 . .gitlab-ci/container/build-llvm-spirv.sh

.gitlab-ci/container/lava_build.sh

@@ -214,6 +214,9 @@ mmdebstrap \
     "$ROOTFS/" \
     "http://deb.debian.org/debian"
 
+############### Install mold
+. .gitlab-ci/container/build-mold.sh
+
 ############### Setuping
 if [ "$DEBIAN_ARCH" = "amd64" ]; then
   . .gitlab-ci/container/setup-wine.sh "/dxvk-wine64"