Update Mbed TLS version to v3.3.0

Signed-off-by: Summer Qin <summer.qin@arm.com>
Change-Id: I92330dfc5cc48579f8616bc7bf99c404a9406c2d
diff --git a/tf-m-code-coverage.yaml b/tf-m-code-coverage.yaml
index 028eceb..dd46aa2 100644
--- a/tf-m-code-coverage.yaml
+++ b/tf-m-code-coverage.yaml
@@ -60,7 +60,7 @@
             For use when triggering with unmerged Gerrit changes.
       - string:
           name: 'MBEDTLS_VERSION'
-          default: 'mbedtls-3.2.1'
+          default: 'mbedtls-3.3.0'
       - string:
           name: 'MBEDTLS_URL'
           default: 'https://git.trustedfirmware.org/mirror/mbed-tls.git'