Update Codecov YAML Boolean syntax

yes -> true
no -> false

❯ curl --data-binary @.github/codecov.yml https://codecov.io/validate
Valid!

.github/codecov.yml

@@ -1,9 +1,9 @@
 codecov:
-  require_ci_to_pass: yes
+  require_ci_to_pass: true
 comment:
   layout: "reach,diff,flags,files,footer"
   behavior: default
-  require_changes: no
+  require_changes: false
 coverage:
   precision: 1
   range: "70...100"
@@ -20,7 +20,7 @@ coverage:
 parsers:
   gcov:
     branch_detection:
-      conditional: yes
-      loop: yes
-      macro: no
-      method: no
+      conditional: true
+      loop: true
+      macro: false
+      method: false