fix: add explicit permissions to release workflow

Set contents: write (least privilege) for GoReleaser to create
releases. Closes #6.

Author: devploit

.github/workflows/release-bin.yaml

@@ -5,6 +5,9 @@ on:
     tags:
       - "*" # triggers only if push new tag version, like `0.8.4` or else
 
+permissions:
+  contents: write
+
 jobs:
   build:
     name: GoReleaser build