wip: don't cd to example directory

Author: euanh

.github/workflows/pull_request.yml

@@ -62,8 +62,8 @@ jobs:
         strategy:
             matrix:
                 example:
-                    - HelloWorldVapor
-                    - HelloWorldHummingbird
+                    - Examples/HelloWorldVapor
+                    - Examples/HelloWorldHummingbird
         steps:
             - name: Checkout repository
               uses: actions/checkout@v4
@@ -82,9 +82,10 @@ jobs:
 
             - name: Build the example
               run: |
-                  cd Examples/${{ matrix.example }}
-                  sed -i'.bak' -e '/swift-container-plugin/ s/(url:.*),/(path: "..\/.."),/' Package.swift
+                  sed -i'.bak' -e "/swift-container-plugin/ s@(url:.*),@(path: \"$PWD\"),@" ${{ matrix.example }}/Package.swift   # Use plugin from this checkout
+                  cat ${{ matrix.example }}/Package.swift
                   swift package \
+                      --package-path ${{ matrix.example }} \
                       --swift-sdk x86_64-swift-linux-musl \
                       --allow-network-connections all \
                       build-container-image \