fix: sed not installed, release pipeline fails

.forgejo/workflows/release.yml

@@ -22,7 +22,9 @@ jobs:
         run: |
           if [ "${{ github.event_name }}" = "workflow_dispatch" ]; then
             # Manual trigger: read version from Cargo.toml
-            VERSION=$(grep '^version' Cargo.toml | head -1 | sed 's/.*"\(.*\)".*/\1/')
+            VERSION_LINE=$(grep '^version' Cargo.toml | head -1)
+            VERSION="${VERSION_LINE#*\"}"
+            VERSION="${VERSION%\"*}"
             TAG="v${VERSION}"
 
             # Check if tag already exists