LOC-5083: Add support for Linux arm64 binary

Detect aarch64 architecture (os.arch contains 'aarch64') before the
generic 64-bit check so that arm64 systems download
BrowserStackLocal-linux-arm64 instead of the x64 binary.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: yashdsaraf

src/main/java/com/browserstack/local/LocalBinary.java

@@ -79,7 +79,9 @@ private void initialize() throws LocalException {
             binFileName = "BrowserStackLocal-darwin-x64";
         } else if (osname.contains("linux")) {
             String arch = System.getProperty("os.arch");
-            if (arch.contains("64")) {
+            if (arch.contains("aarch64")) {
+                binFileName = "BrowserStackLocal-linux-arm64";
+            } else if (arch.contains("64")) {
                 if (isAlpine()) {
                     binFileName = "BrowserStackLocal-alpine";
                 } else {