Merge branch 'jb45864' into 'master'

[swig] Update to python3. Contributes to JB#45864

See merge request mer-core/swig!4

.gitmodules

@@ -1,3 +1,3 @@
 [submodule "upstream"]
 	path = upstream
-	url = https://github.com/swig/swig.git
+	url = https://git.sailfishos.org/mirror/swig.git

rpm/swig.spec

@@ -9,7 +9,8 @@ Source0:    http://download.sourceforge.net/swig/swig-%{version}.tar.gz
 Source1:    swig-rpmlintrc
 BuildRequires:  pkgconfig(libpcre)
 BuildRequires:  perl
-BuildRequires:  python-devel
+BuildRequires:  automake
+BuildRequires:  python3-devel
 BuildRequires:  fdupes
 BuildRequires:  byacc