sysutils/conan: Fix build with py-urllib3 1.26.5

- While I'm here, update version requirement of RUN_DEPENDS

sysutils/conan/Makefile

@@ -26,7 +26,7 @@ PY_DEPENDS=	\
 		${PYTHON_PKGNAMEPREFIX}requests>=2.8.1,<3.0.0:www/py-requests@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}six>=1.10.0:devel/py-six@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}sqlite3>0:databases/py-sqlite3@${PY_FLAVOR} \
-		${PYTHON_PKGNAMEPREFIX}urllib3>=1.25.8:net/py-urllib3@${PY_FLAVOR} \
+		${PYTHON_PKGNAMEPREFIX}urllib3>=1.25.8,1<1.27,1:net/py-urllib3@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}tqdm>=4.28.1:misc/py-tqdm@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}yaml>=3.11:devel/py-yaml@${PY_FLAVOR}
 BUILD_DEPENDS=	${PY_DEPENDS}

sysutils/conan/files/patch-conans_requirements.txt

---- conans/requirements.txt.orig	2020-09-02 09:40:01 UTC
+--- conans/requirements.txt.orig	2021-06-30 14:03:08 UTC
 +++ conans/requirements.txt
-@@ -6,11 +6,11 @@ PyYAML>=3.11, <6.0
+@@ -1,16 +1,16 @@
+ PyJWT>=1.4.0, <2.0.0
+ requests>=2.8.1, <3.0.0
+-urllib3>=1.25.8, <1.26
++urllib3>=1.25.8, <1.27
+ colorama>=0.3.3, <0.5.0
+ PyYAML>=3.11, <6.0
  patch-ng>=1.17.4, <1.18
  fasteners>=0.14.1
  six>=1.10.0,<=1.15.0
@@ -13,5 +19,5 @@
 -deprecation>=2.0, <2.1
 +deprecation>=2.0
  tqdm>=4.28.1, <5
- Jinja2>=2.3, <3
+ Jinja2>=2.9, <3
  python-dateutil>=2.7.0, <3