gitlab-ci: make sure artifacts aren't kept longer than needed

Not having an expiration delay for artifacts takes up valuable disk
space, which is not necessary. Making all artifacts expire after 24h
ensures we avoid that situation.

Signed-off-by: Arnaud Ferraris <arnaud.ferraris@collabora.com>

.gitlab-ci.yml

@@ -46,6 +46,7 @@ prepare-build-env:
     - echo "SDK_ID=$SDK_ID" | tee -a build.env
     - echo "APP_ID=$APP_ID" | tee -a build.env
   artifacts:
+    expire_in: 1d
     reports:
       dotenv:
         - build.env
@@ -94,6 +95,7 @@ prepare-build-env:
     - /opt/apertis-flatdeb/run.py --build-area=$(pwd)/flatdeb-builddir --ostree-repo=$(pwd)/flatdeb-builddir/ostree-repo
         --suite=${APERTIS_RELEASE} --arch=${architecture} base
   artifacts:
+    expire_in: 1d
     paths:
       - flatdeb-builddir/base-${APERTIS_RELEASE}-${architecture}.tar.gz
 
@@ -108,6 +110,7 @@ prepare-build-env:
     - /opt/apertis-flatdeb/run.py --build-area=$(pwd)/flatdeb-builddir --ostree-repo=$(pwd)/flatdeb-builddir/ostree-repo
         --suite=${APERTIS_RELEASE} --arch=${architecture} ${SIGN_ARGS} --sdk runtimes runtimes/org.apertis.demo.yaml
   artifacts:
+    expire_in: 1d
     paths:
       - flatdeb-builddir/ostree-repo
 
@@ -124,6 +127,7 @@ prepare-build-env:
     - /opt/apertis-flatdeb/run.py --build-area=$(pwd)/flatdeb-builddir --ostree-repo=$(pwd)/flatdeb-builddir/ostree-repo
         --suite=${APERTIS_RELEASE} --arch=${architecture} ${SIGN_ARGS} app --app-branch=${APERTIS_RELEASE} apps/org.apertis.demo.gnome-font-viewer.yaml
   artifacts:
+    expire_in: 1d
     paths:
       - flatdeb-builddir/ostree-repo