Loosen image version check (#681)

The 2024 beta 1 image doesn't have an "FRC_" prefix.

Also use name-capturing group for version.

Author: calcmogul

src/main/java/edu/wpi/first/gradlerio/deploy/roborio/RoboRIO.java

@@ -125,7 +125,7 @@ private boolean verifyOnlyIf(DeployContext ctx) {
 
     private void readAndVerifyImage(DeployContext context) {
         final String imageFile = "/etc/natinst/share/scs_imagemetadata.ini";
-        final Pattern pattern = Pattern.compile("^IMAGEVERSION\\s*=\\s*\\\"FRC_roboRIO2?_(\\d{4}_v\\d+(?:\\.\\d+)?)\\\"");
+        final Pattern pattern = Pattern.compile("^IMAGEVERSION\\s*=\\s*\\\"(FRC_)?roboRIO2?_(?<version>\\d{4}_v\\d+(?:\\.\\d+)?)\\\"");
 
         String content = context.execute("cat " + imageFile).getResult();
         log.info("Received Image File: ");
@@ -136,7 +136,7 @@ private void readAndVerifyImage(DeployContext context) {
             log.info(line);
             Matcher matcher = pattern.matcher(line.trim());
             if (matcher.matches()) {
-                String imageGroup = matcher.group(1);
+                String imageGroup = matcher.group("version");
                 log.info("Matched version: " + imageGroup);
                 verifyImageVersion(imageGroup);
                 imageFound = true;