remove release workflow; update README

Author: zhelezovartem

.github/workflows/release.yml

@@ -1,3 +1,14 @@
+Since the original repository seems to be no longer maintained (no updates for over a year) and this tool is a critical security component that should be updated regularly to address known CVEs, we decided to fork it under the kosli-dev organization and update dependencies ourselves.
+
+For macOS, the aws-vault binary should be notarized. Since we haven't implemented this yet, you will need to build the binary yourself on your local machine. Simply run:
+```
+go build .
+```
+Then, move the resulting binary to your bin path.
+
+
+# Original README:
+
 # AWS Vault
 
 [![Downloads](https://img.shields.io/github/downloads/99designs/aws-vault/total.svg)](https://github.com/99designs/aws-vault/releases)