Update src/main/java/uk/ac/ic/wlgitbridge/server/HealthCheckHandler.java

Co-authored-by: John Lees-Miller <jdleesmiller@gmail.com>

services/git-bridge/src/main/java/uk/ac/ic/wlgitbridge/server/HealthCheckHandler.java

@@ -32,7 +32,7 @@ public class HealthCheckHandler extends AbstractHandler {
     if (
       ("GET".equals(method) || "HEAD".equals(method))
         && target != null
-        && target.matches("^\\/health_check\\/?$")
+        && target.matches("^/health_check/?$")
     ) {
       Log.info(method + " <- /health_check");
       baseRequest.setHandled(true);