add new duneci/base:10 image

Based on current Debian testing and configured to use modern
compilers in C++17 mode.
15 jobs for master in 80 minutes and 41 seconds (queued for 1 second)
Status Job ID Name Coverage
  Stage0
passed #3417
pull base distributions

00:01:14

 
  Stage1
passed #3421
base:10

00:00:23

passed #3422
base:16.04

00:00:18

passed #3423
base:16.10

00:00:16

passed #3419
base:8

00:07:08

passed #3420
base:9

00:08:13

passed #3418
docker-builder

00:00:17

 
  Stage2
passed #3424
base:8-backports

00:01:10

passed #3425
dune:2.3

00:01:02

passed #3426
dune:2.4

00:00:20

passed #3427
dune:2.5

00:00:47

passed #3428
dune:git

00:25:16

 
  Stage3
passed #3429
dune-fufem:2.4

00:00:15

passed #3430
dune-fufem:git

00:06:11

 
  Publish
passed #3431
publish

00:39:22