chore: remove trailing whitespace outside of app-proto/src as well

.forgejo/setup-trunk/action.yaml

@@ -10,7 +10,7 @@ runs:
   using: "composite"
   steps:
     - run: rustup target add wasm32-unknown-unknown
-    
+
     # install the Trunk binary to `ci-bin` within the workspace directory, which
     # is determined by the `github.workspace` label and reflected in the
     # `GITHUB_WORKSPACE` environment variable. then, make the `trunk` command

.forgejo/workflows/continuous-integration.yaml

@@ -24,6 +24,6 @@ jobs:
       # workspace directory (action variable `github.workspace`, environment
       # variable `$GITHUB_WORKSPACE`):
       - uses: https://code.forgejo.org/actions/checkout@v4
-      
+
       - uses: ./.forgejo/setup-trunk
-      - run: RUSTFLAGS='-D warnings' cargo test
+      - run: RUSTFLAGS='-D warnings' cargo test