[ci] Do cross architecture build of collector

This job will help to see if any issues introduced to cross binary builds,
when a commit is pushed.

Signed-off-by: Martin Hickey <martin.hickey@ie.ibm.com>

.github/workflows/build-and-test.yml

@@ -198,3 +198,28 @@ jobs:
           file: ./coverage.txt
           fail_ci_if_error: true
           verbose: true
+  crossbuild:
+    name: Crossbuild Collector
+    needs: [setup-environment]
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - goos: linux
+            goarch: 386
+          - goos: linux
+            goarch: arm64
+          - goos: darwin
+            goarch: arm64
+          - goos: windows
+            goarch: 386
+
+    steps:
+      - name: Build
+        env:
+          GOOS: ${{matrix.goos}}
+          GOARCH: ${{matrix.goarch}}
+        run: |
+          make otelcorecol