makefile: fix helpers-test-static (#215)

1. Allow environment variables passing through sudo for the build target.
2. Fix bad environment from github actions nodes when they're updated.

.github/actions/build-dependencies/action.yaml

@@ -1,18 +1,13 @@
 name: Build Dependencies
 description: |
   Install build dependencies to test and compile tracee artifacts
-inputs:
-  go-version:
-    description: Version of Go
-    required: true
-    default: "1.18"
 runs:
   using: composite
   steps:
     - name: Setup Go
       uses: actions/setup-go@v2
       with:
-        go-version: ${{ inputs.go-version }}
+        go-version: "1.17"
     - name: Install Compilers & Formatters
       run: |
         sudo apt-get update

.github/workflows/pr.yaml

@@ -14,8 +14,6 @@ jobs:
         uses: actions/checkout@v2
       - name: Install Dependencies
         uses: ./.github/actions/build-dependencies
-        with:
-          go-version: 1.18
       - name: Test Helpers
         run: |
           make helpers-test-static-run
@@ -27,8 +25,6 @@ jobs:
         uses: actions/checkout@v2
       - name: Install Dependencies
         uses: ./.github/actions/build-dependencies
-        with:
-          go-version: 1.18
       - name: Static Selftests
         run: |
           make selftest-static-run

Makefile

@@ -175,7 +175,7 @@ helpers-test-static-run: libbpfgo-static
 	CC=$(CLANG) \
 		CGO_CFLAGS=$(CGO_CFLAGS_STATIC) \
 		CGO_LDFLAGS=$(CGO_LDFLAGS_STATIC) \
-		sudo $(GO) test -v $(HELPERS)/...
+		sudo -E $(GO) test -v $(HELPERS)/...
 
 helpers-test-dynamic-run: libbpfgo-dynamic
 	sudo $(GO) test -v $(HELPERS)/...