ci: compliance: in case of too many errors, send as a single failure

Do not try to format each single failure, this will take too long to
process and will run for hours and spam GH.

Signed-off-by: Anas Nashif <anas.nashif@intel.com>

scripts/ci/check_compliance.py

@@ -221,6 +221,13 @@ class CheckPatch(ComplianceTest):
                     r'^\s*#(\d+):\s*FILE:\s*(.+):(\d+):'
 
             matches = re.findall(regex, output, re.MULTILINE)
+
+            # add a guard here for excessive number of errors, do not try and
+            # process each one of them and instead push this as one failure.
+            if len(matches) > 500:
+                self.failure(output)
+                return
+
             for m in matches:
                 self.fmtd_failure(m[1].lower(), m[2], m[5], m[6], col=None,
                         desc=m[3])