Update Debian LTS build to v4.19.106

.github/workflows/debian_lts.yml

@@ -7,8 +7,8 @@ name: Debian LTS
 
 env:
   GPG_KEY_ID: 56C464BAAC421453
-  KERNEL_VERSION: 4.19.91
-  KDEB_PKGVERSION: 4.19.91-1
+  KERNEL_VERSION: 4.19.106
+  KDEB_PKGVERSION: 4.19.106-1
   LOCALVERSION: -surface-lts
 
 jobs: