Fix minor grammatical issue in generics_syntax_infer_variance non-conformance message (#2193)

* Fix minor grammatical issue in `generics_syntax_infer_variance` non-conformance message

Resolves #2192

* Fix minor grammatical issue in `generics_syntax_infer_variance` non-conformance message

Resolves #2192

Author: nathanjmcdougall

conformance/results/mypy/generics_syntax_infer_variance.toml

@@ -1,6 +1,6 @@
 conformant = "Unsupported"
 notes = """
-Type parameter syntax not yet support.
+Type parameter syntax not yet supported.
 """
 output = """
 generics_syntax_infer_variance.py:11: error: Unexpected argument to "TypeVar()": "infer_variance"  [misc]

conformance/results/results.html

@@ -353,7 +353,7 @@ <h3>Python Type System Conformance Test Results</h3>
 <th class="column col2 conformant">Pass</th>
 </tr>
 <tr><th class="column col1">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;generics_syntax_infer_variance</th>
-<th class="column col2 not-conformant"><div class="hover-text">Unsupported<span class="tooltip-text" id="bottom"><p>Type parameter syntax not yet support.</p></span></div></th>
+<th class="column col2 not-conformant"><div class="hover-text">Unsupported<span class="tooltip-text" id="bottom"><p>Type parameter syntax not yet supported.</p></span></div></th>
 <th class="column col2 conformant">Pass</th>
 <th class="column col2 conformant">Pass</th>
 <th class="column col2 conformant">Pass</th>