Fix README file name in release workflow

Author: sophokles73

.github/workflows/release.yaml

@@ -52,7 +52,7 @@ jobs:
         uses: actions/upload-artifact@v4
         with:
           name: readme
-          path: README.md
+          path: README.adoc
 
       - name: Collect quality artifacts
         uses: anotherdaniel/[email protected]
@@ -133,7 +133,7 @@ jobs:
         id: upload_readme
         with:
           repo_token: ${{ secrets.GITHUB_TOKEN }}
-          file: README.md
+          file: README.adoc
           tag: ${{ github.ref }}
 
       - name: Gets latest created release info

Cargo.toml

@@ -30,7 +30,7 @@ exclude = [
 keywords = ["uProtocol", "SDK", "communication"]
 license = "Apache-2.0"
 name = "up-rust"
-readme = "README.md"
+readme = "README.adoc"
 repository = "https://github.com/eclipse-uprotocol/up-rust"
 rust-version = "1.74.1"
 version = "0.1.0"