scripts: change development's tarball name

To be able to use development version tarballs for creating distro
packages for Fedora/CentOS, the pre-release name can't contain
hyphens.
17 jobs for dev-tarball-name in 10 minutes and 59 seconds (queued for 9 seconds)
Status Job ID Name Coverage
  Build
passed #105306
docker linux amd64
build:clang:linux:amd64

00:00:42

passed #105305
docker linux amd64
build:linux:amd64

00:00:43

 
  Test
passed #105321
docker linux amd64
deckard:linux:amd64

00:06:41

passed #105312
docker
doc

00:01:25

passed #105311
docker linux amd64
installcheck:linux:amd64

00:00:25

passed #105314
docker linux amd64
installcheck:valgrind:linux:amd64

00:02:18

passed #105308
docker
lint:c

00:02:52

failed #105309
docker allowed to fail
lint:clang-scan-build

00:01:54

passed #105307
docker
lint:lua

00:00:15

passed #105317
docker linux amd64
respdiff:iter:tcp:linux:amd64

00:02:12

passed #105318
docker linux amd64
respdiff:iter:tls:linux:amd64

00:03:06

passed #105316
docker linux amd64
respdiff:iter:udp:linux:amd64

00:03:12

passed #105310
docker linux amd64
test:linux:amd64

00:00:23

passed #105315
docker linux amd64
test:linux:amd64:valgrind

00:00:24

failed #105313
docker linux amd64
deckard:linux:amd64

00:01:37

failed #105320
docker linux amd64
deckard:linux:amd64

00:00:28

 
  Coverage
passed #105319
docker linux amd64
coverage

00:00:18

70.6%
 
Name Stage Failure
failed
lint:clang-scan-build Test
                                             ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
4 warnings generated.
CCLD daemon/kresd
scan-build: 22 bugs found.
scan-build: Run 'scan-view /builds/knot/knot-resolver/scan-results/2018-02-01-140332-13-1' to examine bug reports.
Uploading artifacts...
scan-results: found 27 matching files
Uploading artifacts to coordinator... ok
id=105309 responseStatus=201 Created token=bdbYnyzq
ERROR: Job failed: exit code 1