Improve naming for stress tests workflow

This will group them together in the UI in a nice line of "Stress Test:"
list items.

Author: SeanTAllen

.github/workflows/stress-test-tcp-open-close-linux.yml

@@ -1,4 +1,4 @@
-name: Linux TCP Open/Close Stress Tests
+name: "Stress Test: Linux TCP Open/Close"
 
 on:
   schedule:

.github/workflows/stress-test-tcp-open-close-macos.yml

@@ -1,4 +1,4 @@
-name: MacOS TCP Open/Close Stress Tests
+name: "Stress Test: MacOS TCP Open/Close"
 
 on:
   schedule:

.github/workflows/stress-test-tcp-open-close-windows.yml

@@ -1,4 +1,4 @@
-name: Windows TCP Open/Close Stress Tests
+name: "Stress Test: Windows TCP Open/Close"
 
 on:
   schedule:

.github/workflows/stress-test-ubench-linux.yml

@@ -1,4 +1,4 @@
-name: Linux UBench Stress Tests
+name: "Stress Test: Linux UBench"
 
 on:
   schedule:

.github/workflows/stress-test-ubench-macos.yml

@@ -1,4 +1,4 @@
-name: MacOS UBench Stress Tests
+name: "Stress Test: MacOS UBench"
 
 on:
   schedule:

.github/workflows/stress-test-ubench-windows.yml

@@ -1,4 +1,4 @@
-name: Windows UBench Stress Tests
+name: "Stress Test: Windows UBench"
 
 on:
   schedule: