run golangci-lint on all modules

.github/workflows/linter.yml

@@ -3,23 +3,31 @@ name: linter
 
 permissions:
   contents: read
+  pull-requests: read
 
 jobs:
   lint:
-    permissions:
-      contents: read  # for actions/checkout to fetch code
-      pull-requests: read  # for golangci/golangci-lint-action to fetch pull requests
     strategy:
       matrix:
         go-version: [1.x]
         platform: [ubuntu-latest]
+
+        # golangci-lint will only process a single module, so we need to call it
+        # separately for each module in the repo.  We dont lint example/newreposecretwithlibsodium
+        # since that needs libsodium to run.
+        working-directory:
+          - ""
+          - example
+          - scrape
+          - update-urls
     runs-on: ${{ matrix.platform }}
 
     steps:
     - uses: actions/checkout@v3
 
-    - name: golangci-lint
+    - name: golangci-lint ${{ matrix.working-directory }}
       uses: golangci/golangci-lint-action@b517f99ae23d86ecc4c0dec08dcf48d2336abc29 #v2.5.2
       with:
         version: v1.44.0
+        working-directory: ${{ matrix.working-directory}}
         args: --verbose