Spell these version restrictions more correctly

PeterJCLaw · PeterJCLaw · commit cbc4070d8002 · 2022-03-27T22:52:03.000+01:00
diff --git a/requirements.txt b/requirements.txt
@@ -1 +1 @@
-sr.comp>=1.4<2
+sr.comp>=1.4,<2
diff --git a/test-requirements.txt b/test-requirements.txt
@@ -1 +1 @@
-PyYAML>5<6
+PyYAML>5,<6
