[release] Add GPG key for 3.0.0 release
diff --git a/gpg_keys.txt b/gpg_keys.txt
index eb71c6a..bf8da8d 100644
--- a/gpg_keys.txt
+++ b/gpg_keys.txt
@@ -3,3 +3,4 @@
 2.2.0=1C1E2394D3194E1944613488F320986D35C33D6A
 2.2.1=1C1E2394D3194E1944613488F320986D35C33D6A
 2.2.2=1C1E2394D3194E1944613488F320986D35C33D6A
+3.0.0=1C1E2394D3194E1944613488F320986D35C33D6A