Remove stray trailing whitespace

.github/workflows/test.yml

@@ -57,8 +57,8 @@ jobs:
     # dependencies. Alternatively, you can add a line in your Cargo.toml to artificially increase
     # the minimal dependency, which you do with e.g.:
     # ```toml
-    # # for minimal-versions  
-    # [target.'cfg(any())'.dependencies]  
+    # # for minimal-versions
+    # [target.'cfg(any())'.dependencies]
     # openssl = { version = "0.10.55", optional = true } # needed to allow foo to build with -Zminimal-versions
     # ```
     # The optional = true is necessary in case that dependency isn't otherwise transitively required