chore: turn down codecov (zarf-dev#2823)

Signed-off-by: schristoff <28318173+schristoff@users.noreply.github.com>
Signed-off-by: Tim Seagren <timseagren@defenseunicorns.com>

.github/.codecov.yml

@@ -0,0 +1,20 @@
+# To validate:
+#   cat codecov.yml | curl --data-binary @- https://codecov.io/validate
+
+codecov:
+  notify:
+    require_ci_to_pass: yes
+
+coverage:
+  status:
+    patch: false
+
+  status:
+    project:
+      default:
+        target: auto
+        threshold: 1%
+    patch:
+      default:
+        enabled: no # disable patch since it is noisy and not correct
+        if_not_found: success