security/py-service_identity: Add missing RUN_D

[wen heping]

Hi, ports@:

   Here is a simple patch for security/py-service_identity to 
add missing RUN_DEPENDS.
   With this patch it now run well and pass all tests.


Cheers !
wen
Index: security/py-service_identity/Makefile
===================================================================
RCS file: /cvs/ports/security/py-service_identity/Makefile,v
retrieving revision 1.15
diff -u -p -r1.15 Makefile
--- security/py-service_identity/Makefile       25 Nov 2022 19:30:39 -0000      
1.15
+++ security/py-service_identity/Makefile       10 Feb 2024 08:03:53 -0000
@@ -2,7 +2,7 @@ COMMENT =               service identity verification
 
 MODPY_EGG_VERSION =    21.1.0
 PKGNAME =              py-${DISTNAME:S/-/_/}
-REVISION =             1
+REVISION =             2
 
 # also on pypi, but no tests present
 GH_ACCOUNT =           pyca
@@ -15,11 +15,12 @@ CATEGORIES =                security
 PERMIT_PACKAGE =       Yes
 
 MODULES =              lang/python
-MODPY_PYBUILD =        setuptools
+MODPY_PYBUILD =                setuptools
 
 RUN_DEPENDS =          devel/py-asn1${MODPY_FLAVOR} \
                        devel/py-asn1-modules${MODPY_FLAVOR} \
                        devel/py-attrs${MODPY_FLAVOR} \
+                       devel/py-six${MODPY_FLAVOR} \
                        net/py-idna${MODPY_FLAVOR} \
                        security/py-cryptography${MODPY_FLAVOR} \
                        security/py-openssl${MODPY_FLAVOR}