Install Rust without action

Author: hankolsen

.github/workflows/translations.yml

@@ -37,10 +37,7 @@ jobs:
               run: npm ci
 
             - name: Install nightly Rust
-              uses: actions-rs/toolchain@v1.0.6
-              with:
-                toolchain: stable
-                default: true
+              run: curl https://sh.rustup.rs -sSf | sh -s -- -y
 
             - name: Verify translations
               run: scripts/localization verify