Update bleach and packaging (#1021)

docs/changelog.md

@@ -22,6 +22,7 @@
 ### Added
 - `micropip` now supports installing wheels from relative urls. [#872](https://github.com/iodide-project/pyodide/pull/872)
 - uglifyjs and lessc no longer need to be installed in the system during build
+- Updated packages: bleach 3.2.1, packaging 20.8
 
 ## Version 0.16.1
 *December 25, 2020*

packages/bleach/meta.yaml

@@ -1,15 +1,14 @@
 package:
   name: bleach
-  version: 3.1.5
+  version: 3.2.1
 requirements:
   run:
-  - setuptools
   - webencodings
   - packaging
   - six
 source:
-  sha256: 3c4c520fdb9db59ef139915a5db79f8b51bc2a7257ea0389f30c846883430a4b
-  url: https://files.pythonhosted.org/packages/a9/ac/dc881fca3ac66d6f2c4c3ac46633af4e9c05ed5a0aa2e7e36dc096687dd7/bleach-3.1.5.tar.gz
+  sha256: 52b5919b81842b1854196eaae5ca29679a2f2e378905c346d3ca8227c2c66080
+  url: https://files.pythonhosted.org/packages/04/2c/8e256291cfeaefb72d1dafc888b1ad447e754d8062520b41f1d3ffa7e139/bleach-3.2.1.tar.gz
 test:
   imports:
   - bleach

packages/packaging/meta.yaml

@@ -1,14 +1,13 @@
 package:
   name: packaging
-  version: '20.4'
+  version: '20.8'
 source:
-  sha256: 4357f74f47b9c12db93624a82154e9b120fa8293699949152b22065d556079f8
-  url: https://files.pythonhosted.org/packages/55/fd/fc1aca9cf51ed2f2c11748fa797370027babd82f87829c7a8e6dbe720145/packaging-20.4.tar.gz
+  sha256: 78598185a7008a470d64526a8059de9aaa449238f280fc9eb6b13ba6c4109093
+  url: https://files.pythonhosted.org/packages/d7/c5/e81b9fb8033fe78a2355ea7b1774338e1dca2c9cbd2ee140211a9e6291ab/packaging-20.8.tar.gz
 
 requirements:
   run:
     - pyparsing
-    - six
 
 test:
   imports: