MAINT: Conan version = 1.43, since zlib 1.2.11 requires that version

dev-requirements.txt

@@ -4,7 +4,7 @@ bottle==0.12.19
 certifi==2021.5.30
 charset-normalizer==2.0.1
 colorama==0.4.4
-conan==1.38.0
+conan==1.43.0
 deprecation==2.0.7
 distro==1.5.0
 docutils==0.16
@@ -38,4 +38,4 @@ sphinxcontrib-jsmath==1.0.1
 sphinxcontrib-qthelp==1.0.3
 sphinxcontrib-serializinghtml==1.1.5
 tqdm==4.61.2
-urllib3==1.25.11
+urllib3==1.26.6