patch 8.2.4905: codecov includes MS-Windows install header file

Problem:    codecov includes MS-Windows install header file.
Solution:   Ignore dosinst.h.
diff --git a/.codecov.yml b/.codecov.yml
index 7c6c8f3..8ce62c5 100644
--- a/.codecov.yml
+++ b/.codecov.yml
@@ -8,4 +8,5 @@
 # Files not run by tests
 ignore:
   - "src/dosinst.c"
+  - "src/dosinst.h"
   - "src/uninstall.c"
diff --git a/src/version.c b/src/version.c
index d39abf9..af4c0b2 100644
--- a/src/version.c
+++ b/src/version.c
@@ -747,6 +747,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    4905,
+/**/
     4904,
 /**/
     4903,