ci: add please args to fossa check

Signed-off-by: Mark Sagi-Kazar <mark.sagikazar@gmail.com>

Author: sagikazarmark

.github/workflows/checks.yml

@@ -9,6 +9,9 @@ jobs:
   build:
     name: FOSSA
     runs-on: ubuntu-latest
+    env:
+      GOFLAGS: -mod=readonly
+      PLZ_ARGS: -p
 
     steps:
       - name: Set up Go
@@ -19,15 +22,16 @@ jobs:
       - name: Set up GOPATH
         run: echo "::set-env name=GOPATH::$(go env GOPATH)"
 
+      - name: Set Please overrides
+        run: echo "::set-env name=PLZ_OVERRIDES::build.path:$PATH"
+
       - name: Checkout code
         uses: actions/checkout@v2
 
       - name: Build
         run: go build ./...
-        env:
-          GOFLAGS: -mod=readonly
 
       - name: Analyze
-        run: ./pleasew run ///pleasings2//tools/misc:fossa -- analyze
+        run: ./pleasew $PLZ_ARGS run ///pleasings2//tools/misc:fossa -- analyze
         env:
           FOSSA_API_KEY: ${{ secrets.FOSSA_API_KEY }}