patch 9.0.1844: doc helptags may not be up to date

Problem:  doc helptags may not be up to date
Solution: Add CI jobs to verify helptags are updated

Also, re-generate the tags file with updated list so it will pass CI.

closes: #13012

Signed-off-by: Christian Brabandt <cb@256bit.org>

.github/workflows/ci.yml

@@ -242,6 +242,12 @@ jobs:
           do_test() { sg audio "sg $(id -gn) '$*'"; }
           do_test make ${SHADOWOPT} ${TEST}
 
+      - name: Vim tags
+        if: contains(matrix.extra, 'vimtags')
+        run: |
+          # This will exit with an error code if the generated vim tags differs from source.
+          git diff --exit-code -- runtime/doc/tags
+
       - name: Generate gcov files
         if: matrix.coverage
         run: |

runtime/doc/tags

@@ -4442,6 +4442,7 @@ E1362	vim9class.txt	/*E1362*
 E1363	vim9class.txt	/*E1363*
 E1364	recover.txt	/*E1364*
 E137	starting.txt	/*E137*
+E1370	vim9class.txt	/*E1370*
 E138	starting.txt	/*E138*
 E139	message.txt	/*E139*
 E140	message.txt	/*E140*
@@ -8031,6 +8032,7 @@ i_CTRL-O	insert.txt	/*i_CTRL-O*
 i_CTRL-P	insert.txt	/*i_CTRL-P*
 i_CTRL-Q	insert.txt	/*i_CTRL-Q*
 i_CTRL-R	insert.txt	/*i_CTRL-R*
+i_CTRL-R_-	insert.txt	/*i_CTRL-R_-*
 i_CTRL-R_=	insert.txt	/*i_CTRL-R_=*
 i_CTRL-R_CTRL-O	insert.txt	/*i_CTRL-R_CTRL-O*
 i_CTRL-R_CTRL-P	insert.txt	/*i_CTRL-R_CTRL-P*

src/version.c

@@ -699,6 +699,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1844,
 /**/
     1843,
 /**/