Update the deprecation checks

src/snuffleupagus.c

@@ -608,13 +608,12 @@ static PHP_INI_MH(OnUpdateConfiguration) {
 
   if (SPCFG(show_old_php_warning) && getenv("SP_SKIP_OLD_PHP_CHECK") == NULL) {
     const time_t ts = time(NULL);
-    if ((PHP_VERSION_ID < 70300) ||
-        (PHP_VERSION_ID < 70400 && ts >= (time_t)1638745200L) ||
-        (PHP_VERSION_ID < 80000 && ts >= (time_t)1669590000L) ||
-        (PHP_VERSION_ID < 80100 && ts >= (time_t)1700953200L)) {
-      sp_log_warn("End-of-Life Check", "Your PHP version '" PHP_VERSION "' is not officially maintained anymore. " \
-		      "Please upgrade as soon as possible. - Note: This message can be switched off by setting " \
-		      "'sp.global.show_old_php_warning.disable();' in your rules file or by setting the environment variable SP_SKIP_OLD_PHP_CHECK=1.");
+    if ((PHP_VERSION_ID < 80100) ||
+        (PHP_VERSION_ID < 80200 && ts >= (time_t)1732492800L) ||
+        (PHP_VERSION_ID < 80300 && ts >= (time_t)1765152000L) ||
+        (PHP_VERSION_ID < 80400 && ts >= (time_t)1795392000L)) {
+      sp_log_warn("End-of-Life Check", "Your PHP version '" PHP_VERSION "' is not officially maintained anymore, see https://www.php.net/supported-versions.php for details. " \
+		      "Please upgrade as soon as possible.");
     }
   }
   return SUCCESS;