version.c: update [skip ci] (#20958)

Co-authored-by: marvim <marvim@users.noreply.github.com>

N/A patches:
vim-patch:8.1.0820: test for sending large data over channel sometimes fails
vim-patch:8.1.1133: compiler warning for uninitialized struct member
vim-patch:8.1.1699: highlight_ga can be local instead of global

src/nvim/version.c

@@ -502,7 +502,7 @@ static const int included_patches[] = {
   // 2004,
   2003,
   2002,
-  // 2001,
+  2001,
   2000,
   // 1999,
   // 1998,
@@ -554,7 +554,7 @@ static const int included_patches[] = {
   1952,
   1951,
   1950,
-  // 1949,
+  1949,
   1948,
   1947,
   1946,
@@ -1303,7 +1303,7 @@ static const int included_patches[] = {
   1203,
   1202,
   1201,
-  // 1200,
+  1200,
   1199,
   1198,
   1197,