Bump premake to 5.0.0-beta7

Fixes: #8362
Signed-off-by: Ralph Sennhauser <ralph.sennhauser@gmail.com>

libraries/get-windows-libs.bat

@@ -4,7 +4,7 @@ cd /D "%~dp0"
 
 rem **SVN revision to checkout for windows-libs or windows-libs-amd64**
 rem **Update this line when you commit an update to windows-libs or windows-libs-amd64**
-set "svnrev=28273"
+set "svnrev=28274"
 
 if "%1" == "--amd64" (
     set "LIBS_PATH=win64"

libraries/source/premake-core/build.sh

@@ -8,8 +8,8 @@ set -e
 
 cd "$(dirname "$0")"
 
-PV=5.0.0-beta6
-LIB_VERSION=${PV}+wfg1
+PV=5.0.0-beta7
+LIB_VERSION=${PV}+wfg0
 
 fetch()
 {