Fix CI lint issues, use escaped colon sequence \x3A

.gitlab-ci.yml

@@ -86,8 +86,7 @@ astrocyte_test:
 docker_astrocyte_test:
   stage: test_docker
   script:
-  # Note the biohpc_docker.config replacement.
-  - sed -i 's|nextflow_config: \x27biohpc.config\x27|nextflow_config: \x27biohpc_docker.config\x27|' astrocyte_pkg.yml
+  - sed -i 's|nextflow_config\x3A \x27biohpc.config\x27|nextflow_config\x3A \x27biohpc_docker.config\x27|' astrocyte_pkg.yml
   - echo "Run astrocyte using dockerhub/docker.io registry pulls"
   - astrocyte_cli run "$CI_PROJECT_DIR" --option=bg
   - test -s "$CI_PROJECT_DIR/workflow/output/mobydick.txt.uppercase.tolines.wordcount"
@@ -103,7 +102,7 @@ singularity_astrocyte_test:
   stage: test_singularity
   script:
   # Note the biohpc_singularity.config replacement.
-  - sed -i 's|nextflow_config: \x27biohpc.config\x27|nextflow_config: \x27biohpc_singularity.config\x27|' astrocyte_pkg.yml
+  - sed -i 's|nextflow_config\x3A \x27biohpc.config\x27|nextflow_config\x3A \x27biohpc_singularity.config\x27|' astrocyte_pkg.yml
   - echo "Run astrocyte using singularity with dockerhub/docker.io registry pulls"
   - astrocyte_cli run "$CI_PROJECT_DIR" --option=bg
   - test -s "$CI_PROJECT_DIR/workflow/output/mobydick.txt.uppercase.tolines.wordcount"