.github: move codecov.yml into .github

.github/codecov.yml

@@ -0,0 +1,27 @@
+coverage:
+  precision: 2
+  round: down
+  range: "70...100"
+  github_checks:
+    annotations: false
+
+  status:
+    project:
+      default:
+        threshold: 1%
+    patch: on
+    changes: off
+
+comment:
+  layout: "diff, files"
+  behavior: default
+  require_changes: no
+  require_base: no
+  require_head: yes
+
+ignore:
+  - "docs"
+  - "DOCKER"
+  - "scripts"
+  - "**/*.pb.go"
+  - "libs/pubsub/query/query.peg.go"