Update package and binary file names to gupnp 1.2

Signed-off-by: Ritesh Raj Sarraf <ritesh.sarraf@collabora.com>

external-binaries.cfg

-libgupnp-1.0-tests /usr/lib/*/gupnp/light-client
-libgupnp-1.0-tests /usr/lib/*/gupnp/light-server
-libgupnp-1.0-tests /usr/lib/*/gupnp/test-browsing
-libgupnp-1.0-tests /usr/lib/*/gupnp/test-introspection
-libgupnp-1.0-4 /usr/lib/x86_64-linux-gnu/libgupnp-1.0.so.4 amd64,prefix=lib
-libgupnp-1.0-4 /usr/lib/aarch64-linux-gnu/libgupnp-1.0.so.4 arm64,prefix=lib
-libgupnp-1.0-4 /usr/lib/arm-linux-gnueabihf/libgupnp-1.0.so.4 armhf,prefix=lib
-libgssdp-1.0-3 /usr/lib/x86_64-linux-gnu/libgssdp-1.0.so.3 amd64,prefix=lib
-libgssdp-1.0-3 /usr/lib/aarch64-linux-gnu/libgssdp-1.0.so.3 arm64,prefix=lib
-libgssdp-1.0-3 /usr/lib/arm-linux-gnueabihf/libgssdp-1.0.so.3 armhf,prefix=lib
+libgupnp-1.2-tests /usr/libexec/installed-tests/gupnp/light-client
+libgupnp-1.2-tests /usr/libexec/installed-tests/gupnp/light-server
+libgupnp-1.2-tests /usr/libexec/installed-tests/gupnp/test-browsing
+libgupnp-1.2-tests /usr/libexec/installed-tests/gupnp/test-introspection
+libgupnp-1.2-0 /usr/lib/x86_64-linux-gnu/libgupnp-1.2.so.0 amd64,prefix=lib
+libgupnp-1.2-0 /usr/lib/aarch64-linux-gnu/libgupnp-1.2.so.0 arm64,prefix=lib
+libgupnp-1.2-0 /usr/lib/arm-linux-gnueabihf/libgupnp-1.2.so.0 armhf,prefix=lib
+libgssdp-1.2-0 /usr/lib/x86_64-linux-gnu/libgssdp-1.2.so.0 amd64,prefix=lib
+libgssdp-1.2-0 /usr/lib/aarch64-linux-gnu/libgssdp-1.2.so.0 arm64,prefix=lib
+libgssdp-1.2-0 /usr/lib/arm-linux-gnueabihf/libgssdp-1.2.so.0 armhf,prefix=lib