patch 9.0.1736: Github Actions times out after 20 minutes

Problem: Github Actions times out after 20 minutes
Solution: Increase the timeout to 25 minutes

Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 12bab27..273dedf 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -231,7 +231,7 @@
           "${SRCDIR}"/vim -u NONE -i NONE --not-a-term -esNX -V1 -S ci/if_ver-2.vim -c quit
 
       - name: Test
-        timeout-minutes: 20
+        timeout-minutes: 25
         run: |
           do_test() { sg audio "sg $(id -gn) '$*'"; }
           do_test make ${SHADOWOPT} ${TEST}