Update coverage rules

Author: JimBobSquarePants

ImageSharp.Drawing.sln

@@ -12,6 +12,7 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "_root", "_root", "{C317F1B1
 		ci-build.ps1 = ci-build.ps1
 		ci-pack.ps1 = ci-pack.ps1
 		ci-test.ps1 = ci-test.ps1
+		codecov.yml = codecov.yml
 		Directory.Build.props = Directory.Build.props
 		Directory.Build.targets = Directory.Build.targets
 		LICENSE = LICENSE

codecov.yml

@@ -9,3 +9,14 @@ codecov:
     # Avoid Report Expired
     # https://docs.codecov.io/docs/codecov-yaml#section-expired-reports
     max_report_age: off
+
+coverage:
+  # Use integer precision
+  # https://docs.codecov.com/docs/codecovyml-reference#coverageprecision
+  precision: 0
+
+  # Explicitly control coverage status checks
+  # https://docs.codecov.com/docs/commit-status#disabling-a-status
+  status:
+    project: on
+    patch: off