patch 8.2.4222: MS-Windows: clumsy way to suppress progress on CI

Problem:    MS-Windows: clumsy way to suppress progress on CI.
Solution:   Check for "$CI" in the Makefile itself. (Ken Takata, closes #9631)
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2f0bc49..2c0857c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -472,17 +472,15 @@
         run: |
           call "%VCVARSALL%" ${{ matrix.vcarch }}
           cd src
-          :: Filter out the progress bar from the build log
-          sed -e "s/@<<$/@<< | sed -e 's#.*\\\\r.*##'/" Make_mvc.mak > Make_mvc2.mak
           if "${{ matrix.features }}"=="HUGE" (
-            nmake -nologo -f Make_mvc2.mak ^
+            nmake -nologo -f Make_mvc.mak ^
               FEATURES=${{ matrix.features }} ^
               GUI=yes IME=yes ICONV=yes VIMDLL=yes ^
               DYNAMIC_LUA=yes LUA=%LUA_DIR% ^
               DYNAMIC_PYTHON=yes PYTHON=%PYTHON_DIR% ^
               DYNAMIC_PYTHON3=yes PYTHON3=%PYTHON3_DIR%
           ) else (
-            nmake -nologo -f Make_mvc2.mak ^
+            nmake -nologo -f Make_mvc.mak ^
               FEATURES=${{ matrix.features }} ^
               GUI=yes IME=yes ICONV=yes VIMDLL=yes
           )
diff --git a/ci/appveyor.bat b/ci/appveyor.bat
index 5d5a9f1..92ec936 100644
--- a/ci/appveyor.bat
+++ b/ci/appveyor.bat
@@ -5,11 +5,9 @@
 cd %APPVEYOR_BUILD_FOLDER%
 
 cd src
-:: Filter out the progress bar from the build log
-sed -e "s/@<<$/@<< | sed -e 's#.*\\\\r.*##'/" Make_mvc.mak > Make_mvc2.mak
 
 echo "Building MSVC 64bit console Version"
-nmake -f Make_mvc2.mak CPU=AMD64 ^
+nmake -f Make_mvc.mak CPU=AMD64 ^
     OLE=no GUI=no IME=yes ICONV=yes DEBUG=no ^
     FEATURES=%FEATURE%
 if not exist vim.exe (
@@ -21,13 +19,13 @@
 :: GUI needs to be last, so that testing works
 echo "Building MSVC 64bit GUI Version"
 if "%FEATURE%" == "HUGE" (
-    nmake -f Make_mvc2.mak CPU=AMD64 ^
+    nmake -f Make_mvc.mak CPU=AMD64 ^
         OLE=no GUI=yes IME=yes ICONV=yes DEBUG=no POSTSCRIPT=yes ^
         PYTHON_VER=27 DYNAMIC_PYTHON=yes PYTHON=C:\Python27-x64 ^
         PYTHON3_VER=35 DYNAMIC_PYTHON3=yes PYTHON3=C:\Python35-x64 ^
         FEATURES=%FEATURE%
 ) ELSE (
-    nmake -f Make_mvc2.mak CPU=AMD64 ^
+    nmake -f Make_mvc.mak CPU=AMD64 ^
         OLE=no GUI=yes IME=yes ICONV=yes DEBUG=no ^
         FEATURES=%FEATURE%
 )
diff --git a/src/Make_mvc.mak b/src/Make_mvc.mak
index cb66fc7..a8d5000 100644
--- a/src/Make_mvc.mak
+++ b/src/Make_mvc.mak
@@ -1279,10 +1279,16 @@
 		$(LUA_LIB) $(MZSCHEME_LIB) $(PERL_LIB) $(PYTHON_LIB) $(PYTHON3_LIB) $(RUBY_LIB) \
 		$(TCL_LIB) $(SOUND_LIB) $(NETBEANS_LIB) $(XPM_LIB) $(SOD_LIB) $(LINK_PDB)
 
-# Report link time code generation progress if used.
+# Enable link time code generation if needed.
 !ifdef NODEBUG
 ! if "$(OPTIMIZE)" != "SPACE"
+!  if "$(CI)" == "true" || "$(CI)" == "True"
+# Enable link time code generation, but do not show the progress.
+LINKARGS1 = $(LINKARGS1) /LTCG
+!  else
+# Report link time code generation progress.
 LINKARGS1 = $(LINKARGS1) /LTCG:STATUS
+!  endif
 ! endif
 !endif
 
diff --git a/src/version.c b/src/version.c
index 3d4fac6..db051aa 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    4222,
+/**/
     4221,
 /**/
     4220,