ci: fix pluggable-transports builds (go install with correct module paths)

Author: Delta-Kronecker

.github/workflows/build.yml

@@ -120,7 +120,6 @@ jobs:
   transports:
     name: pluggable-transports (Windows x86_64)
     runs-on: ubuntu-latest
-    continue-on-error: true
     steps:
       - uses: actions/setup-go@v5
         with:
@@ -129,14 +128,24 @@ jobs:
       - name: Build pluggable transports
         run: |
           set -e
-          {
-            echo "=== obfs4 ==="
-            GOOS=windows GOARCH=amd64 go build -o obfs4proxy.exe github.com/Yawning/obfs4/obfs4proxy 2>&1 || true
-            echo "=== snowflake client ==="
-            GOOS=windows GOARCH=amd64 go build -o snowflake-client.exe gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/v2/client 2>&1 || true
-            echo "=== webtunnel client ==="
-            GOOS=windows GOARCH=amd64 go build -o webtunnel.exe gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/webtunnel/client 2>&1 || true
-          } | tee build-transports.log
+          mkdir -p out/obfs4 out/snowflake out/webtunnel
+
+          echo "=== obfs4 ==="
+          GOBIN="$PWD/out/obfs4" GOOS=windows GOARCH=amd64 \
+            go install gitlab.com/yawning/obfs4.git/obfs4proxy@latest
+
+          echo "=== snowflake client ==="
+          GOBIN="$PWD/out/snowflake" GOOS=windows GOARCH=amd64 \
+            go install gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/v2/client@latest
+
+          echo "=== webtunnel client ==="
+          GOBIN="$PWD/out/webtunnel" GOOS=windows GOARCH=amd64 \
+            go install gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/webtunnel/main/client@latest
+
+          cp out/obfs4/obfs4proxy.exe out/obfs4proxy.exe
+          cp out/snowflake/client.exe out/snowflake-client.exe
+          cp out/webtunnel/client.exe out/webtunnel.exe
+          ls -la out/*.exe
 
       - name: Upload artifact
         if: always()
@@ -147,4 +156,3 @@ jobs:
             obfs4proxy.exe
             snowflake-client.exe
             webtunnel.exe
-            build-transports.log