Fix release string to v2022pre

Signed-off-by: Ritesh Raj Sarraf <ritesh.sarraf@collabora.com>

.gitlab-ci.yml

 variables:
   osname: apertis
-  release: v2021dev3
+  release: v2022pre
 
 include:
   - project: tests/helper-tools
-    ref: apertis/v2021dev3
+    ref: apertis/v2022pre
     file: /gitlab-ci/update-test-binaries.yaml
 
 update-test-binaries: