python: Update requirements

Update versions of urllib3, PyYAML, jinja2, cryptography.

requirements.txt

@@ -1,16 +1,16 @@
 colorama==0.3.9
-urllib3[secure]==1.24.2
+urllib3[secure]>=1.26.5
 prettytable==0.7.2
 junit-xml==1.8
-pyyaml==4.2b1
+PyYAML>=5.4
 jsonschema==2.6.0
 future>=0.18.0,<1.0
 six==1.12.0
 mbed-cloud-sdk>=2.0.6,<2.1
-requests>=2.20,<2.21
+requests>=2.20,<3
 idna>=2,<2.8
 pyserial>=3,<=3.4
-Jinja2>=2.10.1,<2.11
+jinja2>=2.11.3
 intelhex>=2.3.0,<3.0.0
 mbed-ls>=1.5.1,<2.0
 mbed-host-tests>=1.4.4,<2.0
@@ -26,6 +26,6 @@ cmsis-pack-manager>=0.2.3,<0.3.0
 pywin32==224;platform_system=='Windows'
 wmi==1.4.9;platform_system=='Windows'
 psutil==5.6.6
-cryptography>=2.5,<3
+cryptography>=3.2,<4
 Click>=7.0,<8
 cbor>=1.0.0

tools/cmake/requirements.txt

@@ -1,4 +1,4 @@
 prettytable==0.7.2
-future==0.16.0
-Jinja2>=2.10.1,<2.11
+future>=0.18.0,<1.0
+jinja2>=2.11.3
 intelhex>=2.3.0,<3.0.0