feat: update ckb client versions

Author: Keith-CY

.ckb-version

@@ -1 +1 @@
-v0.120.0
+v0.121.0-rc1

compatible.json

@@ -1,5 +1,6 @@
 {
   "fullVersions": [
+    "0.121",
     "0.120",
     "0.119",
     "0.118",
@@ -27,6 +28,7 @@
   "compatible": {
     "0.111": {
       "full": [
+        "0.121",
         "0.120",
         "0.119",
         "0.118",
@@ -48,6 +50,7 @@
     },
     "0.110": {
       "full": [
+        "0.121",
         "0.120",
         "0.119",
         "0.118",
@@ -85,6 +88,7 @@
     },
     "0.112": {
       "full": [
+        "0.121",
         "0.120",
         "0.119",
         "0.118",
@@ -106,6 +110,7 @@
     },
     "0.114": {
       "full": [
+        "0.121",
         "0.120",
         "0.119",
         "0.118",
@@ -127,6 +132,7 @@
     },
     "0.116": {
       "full": [
+        "0.121",
         "0.120",
         "0.119",
         "0.118",
@@ -148,6 +154,7 @@
     },
     "0.117": {
       "full": [
+        "0.121",
         "0.120",
         "0.119",
         "0.118",
@@ -169,6 +176,7 @@
     },
     "0.119": {
       "full": [
+        "0.121",
         "0.120",
         "0.119",
         "0.118",
@@ -188,8 +196,10 @@
         "0.2"
       ]
     },
-    "0.119": {
+    "0.120": {
       "full": [
+        "0.121",
+        "0.120",
         "0.119",
         "0.118",
         "0.117",