feat: migrate from libcompose to compose-go (#1547)

* feat: migrate from libcompose to compose-go

libcompose has been deprecated since summer 2021 in favor of https://github.com/compose-spec/compose-go.
Kompose should now be able to load all versions of compose.

* chore: replace golint with staticcheck

golint has been deprecated. Recommended replacement is staticcheck.

.github/workflows/test.yml

@@ -10,14 +10,14 @@ env:
 jobs:
   test:
     name: Test with ${{ matrix.go }} and CROSS_COMPILE=${{ matrix.cross_compile }}
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-latest
     strategy:
       matrix:
-        go: [1.16, 1.17]
+        go: [1.18, 1.19]
         cross_compile: [true, false]
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-go@v2
+      - uses: actions/checkout@v3
+      - uses: actions/setup-go@v3
         with:
           go-version: ${{ matrix.go }}
       - name: Run tests
@@ -27,13 +27,13 @@ jobs:
         run: make cross
   docs:
     name: Build docs and Coveralls integration
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-latest
     needs: test
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-go@v2
+      - uses: actions/checkout@v3
+      - uses: actions/setup-go@v3
         with:
-          go-version: 1.16
+          go-version: 1.19
       - name: Create .coverprofile for each targeted directory by re:running tests
         run: make test
       - name: Collect all .coverprofile files and save it to one file gover.coverprofile