CI: simplify artifact paths using double glob star

This was introduced in Gitlab 13.0.

By the way, this ensures that test artifacts which are deep in the directory
hierarchy (such as those for the MoM tooblox) are also taken into account.

(cherry picked from commit a5d70785)

.gitlab-ci.yml

@@ -40,10 +40,8 @@ build_binaries:
       - dynare++/src/*_tab.cc
       - dynare++/src/*_tab.hh
       - dynare++/src/*_ll.cc
-      - dynare++/*/*.o
-      - dynare++/*/*.a
-      - dynare++/*/*/*.o
-      - dynare++/*/*/*.a
+      - dynare++/**/*.o
+      - dynare++/**/*.a
       - dynare++/integ/src/quadrature-points
       - dynare++/src/dynare++
     expire_in: 3 days
@@ -57,8 +55,7 @@ build_doc:
   artifacts:
     paths:
       - doc/manual/build/
-      - doc/*.pdf
-      - doc/*/*.pdf
+      - doc/**/*.pdf
       - dynare++/doc/*.pdf
       - preprocessor/doc/*/*.pdf
     expire_in: 3 days
@@ -122,14 +119,9 @@ pkg_macOS:
   stage: test
   artifacts:
     paths:
-      - tests/*.m.log
-      - tests/*.m.trs
-      - tests/*/*.m.log
-      - tests/*/*.m.trs
-      - tests/*/*.jnl
-      - tests/*/*/*.m.log
-      - tests/*/*/*.m.trs
-      - tests/*/*/*.jnl
+      - tests/**/*.m.log
+      - tests/**/*.m.trs
+      - tests/**/*.jnl
       - tests/run_test_matlab_output.txt
     when: always
   needs: [ "build_binaries" ]
@@ -160,14 +152,9 @@ test_octave:
     - make -j $(nproc) -C tests check-octave
   artifacts:
     paths:
-      - tests/*.o.log
-      - tests/*.o.trs
-      - tests/*/*.o.log
-      - tests/*/*.o.trs
-      - tests/*/*.jnl
-      - tests/*/*/*.o.log
-      - tests/*/*/*.o.trs
-      - tests/*/*/*.jnl
+      - tests/**/*.o.log
+      - tests/**/*.o.trs
+      - tests/**/*.jnl
       - tests/run_test_octave_output.txt
     when: always
   needs: [ "build_binaries" ]