[ci] fix wrong copypasta

.gitlab-ci.yml

@@ -81,7 +81,7 @@ deploy_coverage:
   only:
     - master
 
-deploy_batsim_dev_cachix:
+deploy_batsched_dev_cachix:
   stage: deploy
   script:
     - ./ci/update-batsched_dev-cache.bash

ci/README.md

@@ -12,11 +12,11 @@ batsched should always work with this version.
 This is the up-to-date Batsim version.
 batsched should work with this version.
 
-## test_deps_(pinned|local)
+## test_deps_(pinned|dev)
 The list of packages needed to run tests.
 This is meant to be used as a shell, not meant to be installed.
 
-## test_(pinned|local)
+## test_(pinned|dev)
 A shell used to run tests. Essentially batsim_local + test_deps.
 Not meant to be installed either.