May 2022 Security update

* raviole gki_kernel_tag handled manually this month,
  TODO: Script

Ref:
* https://groups.google.com/g/android-building/c/GoMawyG2l94/m/zB2a0UXCAgAJ

Change-Id: I236572036790189e9e6451ff8ee9a0e207d5f99f
diff --git a/vars/raviole b/vars/raviole
index ec5751d..a81f32f 100644
--- a/vars/raviole
+++ b/vars/raviole
@@ -2,5 +2,8 @@
 
 # Updated manually
 
-readonly prev_kernel_tag=android-12.1.0_r0.6 # Mar 2022
-readonly kernel_tag=android-12.1.0_r0.16 # Apr 2022
+readonly prev_kernel_tag=android-12.1.0_r0.16 # Apr 2022
+readonly kernel_tag=android-12.1.0_r0.22 # May 2022
+
+readonly prev_gki_tag=android12-5.10-2021-12_r6 # Apr 2022
+readonly gki_tag=android12-5.10-2021-12_r8 # May 2022