patch 8.2.4268: CI log output is long

Problem:    CI log output is long.
Solution:   Group output in sections. (Ozaki Kiichi, closes #9670)
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2c0857c..038fec5 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -530,16 +530,18 @@
           call "%VCVARSALL%" ${{ matrix.vcarch }}
           cd src
           echo.
-          echo %COL_GREEN%vim version:%COL_RESET%
+          echo ::group::%COL_GREEN%Vim version:%COL_RESET%
           .\vim --version || exit 1
+          echo ::endgroup::
 
           echo %COL_GREEN%Start testing vim in background.%COL_RESET%
           start cmd /c "cd ..\src2\testdir & nmake -nologo -f Make_dos.mak VIMPROG=..\..\src\vim > nul & echo done>done.txt"
 
-          echo %COL_GREEN%Test gvim:%COL_RESET%
+          echo ::group::%COL_GREEN%Test gvim:%COL_RESET%
           cd testdir
           nmake -nologo -f Make_dos.mak VIMPROG=..\gvim || exit 1
           cd ..
+          echo ::endgroup::
 
           echo %COL_GREEN%Wait for vim tests to finish.%COL_RESET%
           cd ..\src2\testdir
@@ -552,10 +554,11 @@
           set timeout=1
           :exitloop
 
-          echo %COL_GREEN%Test results of vim:%COL_RESET%
+          echo ::group::%COL_GREEN%Test results of vim:%COL_RESET%
           if exist messages type messages
           nmake -nologo -f Make_dos.mak report VIMPROG=..\..\src\vim || exit 1
           if "%timeout%"=="1" (
             echo %COL_RED%Timed out.%COL_RESET%
             exit 1
           )
+          echo ::endgroup::
diff --git a/src/version.c b/src/version.c
index 382c84a..abc6742 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    4268,
+/**/
     4267,
 /**/
     4266,