Update EspSoftwareSerial to bug-fix release 6.15.2 (#8389)

dok-net · web-flow · commit 26103a5827f8 · 2021-12-03T01:09:54.000+03:00
diff --git a/libraries/SoftwareSerial b/libraries/SoftwareSerial
@@ -1 +1 @@
-Subproject commit cff4deb789ebd05d60a2eff5258693664d52f8a9
+Subproject commit eb4b29074b75eacac3585bf84b5495b8f80a92cf
