worker: bump core version

We are now building against core commit
1b02620e2078987347e022f8dd8155db7d39c40f [1].

After #76 was resolved we don't have to do any dance around the core
version and use the latest version without any tree modifications.

[1] automata-library@1b02620e

.gitlab-ci.yml

@@ -22,7 +22,7 @@ image: gitlab.fit.cvut.cz:5000/algorithms-library-toolkit/infrastructure/ci-dock
 build:worker:
   stage: build
-  image: gitlab.fit.cvut.cz:5000/algorithms-library-toolkit/webui-client/core-snapshot:0.0.0.r1499.g9b2bb2b69
+  image: gitlab.fit.cvut.cz:5000/algorithms-library-toolkit/webui-client/core-snapshot:0.0.0.r1520.g1b02620e2
   before_script:
     - apk add --no-cache curl && curl https://alt.fit.cvut.cz/repo/alpine/alt-dev-repo.sh | sh
     - apk add --no-cache build-base cmake jsoncpp-dev pkgconf apr-dev spdlog-dev catch2 activemq-cpp-dev argparse boost-dev

worker/Dockerfile

-ARG BASE_IMAGE=gitlab.fit.cvut.cz:5000/algorithms-library-toolkit/webui-client/core-snapshot:0.0.0.r1499.g9b2bb2b69
+ARG BASE_IMAGE=gitlab.fit.cvut.cz:5000/algorithms-library-toolkit/webui-client/core-snapshot:0.0.0.r1520.g1b02620e2
 #-----------------------------------------------------------------------------------------