Bump cache package to v6.1.0, update RELEASES.md (#2436)

packages/cache/RELEASES.md

@@ -1,5 +1,9 @@
 # @actions/cache Releases
 
+## 6.1.0
+
+- Handle cache write error due to read-only token: detect the `cache write denied:` prefix on cache reservation failures and surface it as a `core.warning` (without failing the run).
+
 ## 6.0.1
 
 - Bump dependency versions ([#2393](https://github.com/actions/toolkit/pull/2393)):

packages/cache/package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "@actions/cache",
-  "version": "6.0.1",
+  "version": "6.1.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@actions/cache",
-      "version": "6.0.1",
+      "version": "6.1.0",
       "license": "MIT",
       "dependencies": {
         "@actions/core": "^3.0.1",

packages/cache/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@actions/cache",
-  "version": "6.0.1",
+  "version": "6.1.0",
   "description": "Actions cache lib",
   "keywords": [
     "github",