package/python-setuptools-scm: add missing runtime dependency

Since version 7.0.4 python-setuptools-scm requires
host-python-typing-extensions package.

Fixes:
http://autobuild.buildroot.net/results/a4a52da24032222860ad6abe89bf66839cc2e812/
http://autobuild.buildroot.net/results/2b381cd32671db4aa0b281ece5569667bae0f923/
http://autobuild.buildroot.net/results/a3c5208224cc7825152d9a27b64fd82fb000a259/

Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com>
[yann.morin.1998@free.fr: split long line]
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>

package/python-setuptools-scm/python-setuptools-scm.mk

@@ -10,6 +10,10 @@ PYTHON_SETUPTOOLS_SCM_SITE = https://files.pythonhosted.org/packages/bc/e6/ac8b0
 PYTHON_SETUPTOOLS_SCM_LICENSE = MIT
 PYTHON_SETUPTOOLS_SCM_LICENSE_FILES = LICENSE
 PYTHON_SETUPTOOLS_SCM_SETUP_TYPE = setuptools
-HOST_PYTHON_SETUPTOOLS_SCM_DEPENDENCIES = host-python-packaging host-python-tomli
+
+HOST_PYTHON_SETUPTOOLS_SCM_DEPENDENCIES = \
+	host-python-packaging \
+	host-python-tomli \
+	host-python-typing-extensions
 
 $(eval $(host-python-package))