bump pygments (security hygiene)

Addresses https://github.com/encode/django-rest-framework/security/dependabot/9

requirements/requirements-optionals.txt

@@ -6,5 +6,5 @@ django-guardian>=2.4.0,<2.5
 inflection==0.5.1
 markdown>=3.3.7
 psycopg2-binary>=2.9.5,<2.10
-pygments>=2.12.0,<2.14.0
+pygments~=2.17.0
 pyyaml>=5.3.1,<5.4

tests/test_description.py

@@ -41,7 +41,7 @@
 </code></pre>
 <p>indented</p>
 <h2 id="hash-style-header">hash style header</h2>
-<div class="highlight"><pre><span></span><span class="p">[{</span><span class="w"></span><br /><span class="w">    </span><span class="nt">&quot;alpha&quot;</span><span class="p">:</span><span class="w"> </span><span class="mi">1</span><span class="p">,</span><span class="w"></span><br /><span class="w">    </span><span class="nt">&quot;beta&quot;</span><span class="p">:</span><span class="w"> </span><span class="s2">&quot;this is a string&quot;</span><span class="w"></span><br /><span class="p">}]</span><span class="w"></span><br /></pre></div>
+<div class="highlight"><pre><span></span><span class="p">[{</span><br /><span class="w">    </span><span class="nt">&quot;alpha&quot;</span><span class="p">:</span><span class="w"> </span><span class="mi">1</span><span class="p">,</span><br /><span class="w">    </span><span class="nt">&quot;beta&quot;</span><span class="p">:</span><span class="w"> </span><span class="s2">&quot;this is a string&quot;</span><br /><span class="p">}]</span><br /></pre></div>
 <p><br /></p>"""
 
 

tests/test_renderers.py

@@ -910,7 +910,7 @@ def test_shell_code_example_rendering(self):
             'link': coreapi.Link(url='/data/', action='get', fields=[]),
         }
         html = template.render(context)
-        assert 'testcases list' in html
+        assert 'testcases<span class="w"> </span>list' in html
 
 
 @pytest.mark.skipif(not coreapi, reason='coreapi is not installed')