Add CI tags to choose runner with right executor

.gitlab-ci.yml

@@ -7,6 +7,8 @@ stages:
 
 build_job:
   stage: build
+  tags:
+    - docker
   before_script:
     - sudo apt update && sudo apt -y --no-install-recommends install build-essential cmake pkg-config libboost-thread-dev
   script:
@@ -21,6 +23,8 @@ build_job:
 
 test_load_job:
   stage: test
+  tags:
+    - docker
   before_script:
     - sudo apt update && sudo apt -y --no-install-recommends install libboost-thread-dev
   script: