[ci] add codecov.io config

.codecov.yml

+codecov:
+  notify:
+    require_ci_to_pass: yes
+
+coverage:
+  precision: 2
+  round: down
+  range: "70...100"
+
+  # https://docs.codecov.io/docs/commit-status
+  status:
+    project: no
+    patch: no
+    changes: no
+
+parsers:
+  gcov:
+    branch_detection:
+      conditional: yes
+      loop: yes
+      method: no
+      macro: no
+
+# https://docs.codecov.io/docs/pull-request-comments
+# https://docs.codecov.io/docs/graphs
+comment:
+  layout: "header, files "
+  behavior: once
+  require_changes: yes

.gitsuper

@@ -13,10 +13,10 @@ status = 1a3bcab04b011a5d6e44f9983cae6ff89fa695e8 bin (heads/master)
 	 741e4f8e53bdd3e1b6e19d84eb22b6e3dc48526c dune-python (remotes/origin/releases/2.5)
 	 26cc8cb4161a3a51002ab2a81b8c81d2c951ee79 dune-testtools (heads/dune_xt)
 	 8fe883e99c58c9f0c2f92457d546a0ac9f5a9bf9 dune-uggrid (v2.5.2-1-g8fe883e9)
-	+3aed73a9d3ac6bf94f096299b4e1ff492d653292 dune-xt-common (heads/fix_python_coverage_report)
-	+9c381e5cff0dd37742288651531fb6b470773e48 dune-xt-functions (heads/coverage_upload)
-	+0885a17fce55d5e5d8f5ff32b66a454b3d57a9de dune-xt-grid (heads/coverage_upload)
-	 4bad9ce8823aacf0b9de3295ad17039a02833844 dune-xt-la (heads/coverage_upload)
+	+1f6938bbfcd86b367db854b8f22765d16aa3df23 dune-xt-common (heads/fix_python_coverage_report)
+	+819b9372cba55ea7d0bcf6bab36d8b5a3efd97a8 dune-xt-functions (heads/coverage_upload)
+	+372e57809ade18d37a76aec76d5cd1efcbccfdfb dune-xt-grid (heads/coverage_upload)
+	+02a065e3cb535043ae491de2f25fd9e15b4dbd24 dune-xt-la (heads/coverage_upload)
 	 60cd896bf3f1eb99066563aa1a07113e5a791d47 scripts (remotes/origin/HEAD)
 commit = 3334da25b478cbb7148376bf1eafe904108e2f48
 
@@ -88,22 +88,22 @@ commit = 8fe883e99c58c9f0c2f92457d546a0ac9f5a9bf9
 [submodule.dune-xt-common]
 remote = git@github.com:dune-community/dune-xt-common.git
 status = 2424627f0ad5de7e4aaa5e7f48bc2a02414d95a1 .vcsetup (heads/master)
-commit = 3aed73a9d3ac6bf94f096299b4e1ff492d653292
+commit = 1f6938bbfcd86b367db854b8f22765d16aa3df23
 
 [submodule.dune-xt-functions]
 remote = git@github.com:dune-community/dune-xt-functions.git
 status = 2424627f0ad5de7e4aaa5e7f48bc2a02414d95a1 .vcsetup (heads/master)
-commit = 9c381e5cff0dd37742288651531fb6b470773e48
+commit = 819b9372cba55ea7d0bcf6bab36d8b5a3efd97a8
 
 [submodule.dune-xt-grid]
 remote = git@github.com:dune-community/dune-xt-grid.git
 status = 2424627f0ad5de7e4aaa5e7f48bc2a02414d95a1 .vcsetup (heads/master)
-commit = 0885a17fce55d5e5d8f5ff32b66a454b3d57a9de
+commit = 372e57809ade18d37a76aec76d5cd1efcbccfdfb
 
 [submodule.dune-xt-la]
 remote = git@github.com:dune-community/dune-xt-la.git
 status = 2424627f0ad5de7e4aaa5e7f48bc2a02414d95a1 .vcsetup (heads/master)
-commit = 4bad9ce8823aacf0b9de3295ad17039a02833844
+commit = 02a065e3cb535043ae491de2f25fd9e15b4dbd24
 
 [submodule.scripts]
 remote = https://github.com/wwu-numerik/scripts.git