test: move trunk installation for CI to ci-bin/

.forgejo/setup-trunk/action.yaml

@@ -10,13 +10,8 @@ runs:
   using: "composite"
   steps:
     - run: rustup target add wasm32-unknown-unknown
-    # Forgejo Runner seems to modify the HOME variable when it's running a job
-    # in a Docker container, so we have to find the home directory another way,
-    # inspired by this StackOverflow answer:
-    #
-    #   https://unix.stackexchange.com/a/247582
-    #
-    - id: find-home
-      run: eval echo "home=~$(whoami)" >> $GITHUB_OUTPUT
+    # Assume we remain in the top-level directory of the checkout:
+    - run: mkdir -p ci-bin
     - run: curl --output - --proto '=https' --tlsv1.2 --retry 10 --retry-connrefused --location --silent --show-error --fail 'https://github.com/trunk-rs/trunk/releases/download/v0.21.12/trunk-x86_64-unknown-linux-gnu.tar.gz' | tar --gunzip --extract --file -
-      working-directory: ${{ steps.find-home.outputs.home }}/.cargo/bin
+      working-directory: ci-bin
+    - run: export PATH="$(pwd)/ci-bin:$PATH"

.gitignore

@@ -1,8 +1,2 @@
-node_modules
-site
-docbuild
-__tests__
-coverage
-dyna3.zip
-tmpproj
+ci-bin
 *~