Use new CI templates

.gitlab-ci.yml

-include: "https://git.autistici.org/ai3/build-deb/raw/master/ci-common.yml"
+include:
+  - "https://git.autistici.org/pipelines/debian/raw/master/common.yml"
+  - "https://git.autistici.org/pipelines/images/test/golang/raw/master/ci.yml"
 
-upload_pkg:buster:
-  variables:
-    REPOSITORY: liber/buster
-
-upload_pkg:bullseye:
-  variables:
-    REPOSITORY: liber/bullseye
-
-upload_pkg:bookworm:
-  variables:
-    REPOSITORY: liber/bookworm
-
-test:
-  stage: test
-  image: registry.git.autistici.org/ai3/docker/test/golang:master
-  script:
-    - run-go-test ./...
-  artifacts:
-    when: always
-    reports:
-      coverage_report:
-        coverage_format: cobertura
-        path: cover.xml
-      junit: report.xml
+variables:
+  REPOSITORY: liber
 
 release:
   stage: release
-  image: golang:1.19
+  image: golang:1.20
   variables:
     VERSION: $CI_COMMIT_TAG
   script:
     - mkdir liber-${VERSION}
     - go build -o liber-${VERSION}/liber ./cmd/liber
+    - strip liber-${VERSION}/liber
     - tar czf liber-${VERSION}.tar.gz liber-${VERSION}
     - echo uploading liber-${VERSION}.tar.gz
     - "curl --header \"JOB-TOKEN: $CI_JOB_TOKEN\" --upload-file liber-${VERSION}.tar.gz ${CI_API_V4_URL}/projects/${CI_PROJECT_ID}/packages/generic/liber/${VERSION}/liber-${VERSION}.tar.gz"