chore(ci): inline submodules to fetch tags from

It is simpler to reuse the script from other downstream pipelines. They
do not need to know the names of submodules in case they change. With
the patch such a change requires only updates to picodata repository.

.gitlab-ci.yml

@@ -144,7 +144,7 @@ build-base-image:
     # the build scripts. Without them the job fails.
     - &fetch-tags |
       ci-log-section start "fetch-submodule-tags" Fetching tags for submodules
-      ./tools/get_tags.py tarantool-sys tarantool-sys/third_party/luajit
+      ./tools/get_tags.py
       ci-log-section end "fetch-submodule-tags"
 
 .parallel:

tools/get_tags.py

@@ -6,6 +6,7 @@ import pathlib
 import os
 from time import sleep
 
+SUBMODULES_TO_FETCH_TAGS = [".", "tarantool-sys", "tarantool-sys/third_party/luajit"]
 
 GET_SOURCES_ATTEMPTS = int(os.environ.get('GET_SOURCES_ATTEMPTS', 3))
 PROJECT_DIR = pathlib.Path(__file__).parent.parent
@@ -50,7 +51,7 @@ def run_shell(path, shell=True, executable='/bin/bash', text=True):
 
 if __name__ == "__main__":
     parser = argparse.ArgumentParser(prog="GetGitTags", description="Get project tags")
-    parser.add_argument("dirs", nargs="*", default=".", type=str)
+    parser.add_argument("dirs", nargs="*", default=SUBMODULES_TO_FETCH_TAGS, type=str)
     args = parser.parse_args()
 
     for path in args.dirs: