Revert "golangci-lint.yml: Upgrade go and Actions" (#147)

Author: cclauss

.github/workflows/golangci-lint.yml

@@ -5,19 +5,17 @@ jobs:
   golangci-lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
-      - name: golangci-lint
-        uses: golangci/golangci-lint-action@v1
-        with:
-          # Required: the version of golangci-lint is required and must be specified without patch version: we always use the latest patch version.
-          version: v1.27
-          args: --issues-exit-code=0  # Someday we can remove this...
-      - run: |
-          go version ; golangci-lint --version
-          # golangci-lint run --no-config                      || true    
-      - run: golangci-lint run --no-config ciphers strings
-      - run: golangci-lint run --no-config data-structures     || true
-      - run: golangci-lint run --no-config dynamic-programming || true
-      - run: golangci-lint run --no-config other               || true
-      - run: golangci-lint run --no-config searches            || true
-      - run: golangci-lint run --no-config sorts
+    - uses: actions/setup-go@v1
+      with:
+        go-version: 1.13
+    - uses: actions/checkout@v1
+    - run: curl -sfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s v1.21.0
+    - run: |
+        go version ; ./bin/golangci-lint --version
+        ./bin/golangci-lint run --no-config                        || true    
+    - run: ./bin/golangci-lint run --no-config ciphers strings
+    - run: ./bin/golangci-lint run --no-config data-structures     || true
+    - run: ./bin/golangci-lint run --no-config dynamic-programming || true
+    - run: ./bin/golangci-lint run --no-config other               || true
+    - run: ./bin/golangci-lint run --no-config searches            || true
+    - run: ./bin/golangci-lint run --no-config sorts