package/swugenerator: bump to version 0.3

Upstream github tarball dropped prefix "v" while releasing version 0.3
so let's drop it in swugenerator.mk as well.

Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/swugenerator/swugenerator.hash

@@ -1,4 +1,4 @@
 # Locally calculated
-sha256  b5c47c47be0df4df476d2bf596f58a7296a4b0cebe6c8de42251605475b37d25  swugenerator-0.2.tar.gz
+sha256  3f4885242bce9523d26567578793c828e2f07122c6b7e44cce8ede33e5618a01  swugenerator-0.3.tar.gz
 # Locally computed sha256 checksums
 sha256  3972dc9744f6499f0f9b2dbf76696f2ae7ad8af9b23dde66d6af86c9dfb36986  LICENSE

package/swugenerator/swugenerator.mk

@@ -4,8 +4,8 @@
 #
 ################################################################################
 
-SWUGENERATOR_VERSION = 0.2
-SWUGENERATOR_SITE = $(call github,sbabic,swugenerator,v$(SWUGENERATOR_VERSION))
+SWUGENERATOR_VERSION = 0.3
+SWUGENERATOR_SITE = $(call github,sbabic,swugenerator,$(SWUGENERATOR_VERSION))
 SWUGENERATOR_LICENSE = GPL-3.0
 SWUGENERATOR_LICENSE_FILES = LICENSE
 HOST_SWUGENERATOR_SETUP_TYPE = setuptools