ci: fix version variable set

Author: AndreCostaaa

.github/workflows/tag-release-and-publish.yml

@@ -51,7 +51,7 @@ jobs:
       - name: Get the current version
         id: get_version
         run: |
-          VERSION=v$(cat Cargo.toml | grep -m 1 version | grep -o -P "\d+\.\d+\.\d+")
+          VERSION=$(cat Cargo.toml | grep -m 1 version | grep -o -P "\d+\.\d+\.\d+")
           echo "VERSION=$VERSION" >> $GITHUB_ENV
 
       - name: Get Changelog line