Update jpeg from 9e to 9f [emscripten-4x] (#3843)

* Update jpeg from 9e to 9f

* Add tests

* Fix link

Author: IsabelParedes

recipes/recipes_emscripten/jpeg/recipe.yaml

@@ -1,13 +1,13 @@
 context:
-  version: 9e
+  version: 9f
 
 package:
   name: jpeg
   version: ${{ version }}
 
 source:
-  url: http://www.ijg.org/files/jpegsrc.v${{ version }}.tar.gz
-  sha256: 4077d6a6a75aeb01884f708919d25934c93305e49f7e3f36db9129320e6f4f3d
+  url: https://www.ijg.org/files/jpegsrc.v${{ version }}.tar.gz
+  sha256: 04705c110cb2469caa79fb71fba3d7bf834914706e9641a4589485c1f832565b
 
 build:
   number: 0
@@ -20,6 +20,13 @@ requirements:
   run_constraints:
     - libjpeg-turbo <0.0.0a
 
+tests:
+- package_contents:
+    files:
+    - include/jpeglib.h
+    - lib/libjpeg.a
+    - lib/pkgconfig/libjpeg.pc
+
 about:
   homepage: http://www.ijg.org/
   license: IJG