Use matches macro to fix clippy warnings (#86)

.github/workflows/msrv.yml

@@ -14,6 +14,7 @@ jobs:
       matrix:
         version:
           - 1.40.0
+          - 1.42.0
 
     name: ${{ matrix.version }} - x86_64-unknown-linux-gnu
     runs-on: ubuntu-latest
@@ -42,7 +43,17 @@ jobs:
         with:
           command: test
           args: --package=actix-cors
-                --package=actix-protobuf
+                --package=actix-identity
                 --package=actix-redis
+                --package=actix-session
                 --package=actix-web-httpauth
                 --all-features --no-fail-fast -- --nocapture
+
+      - name: tests (1.42.0)
+        if: matrix.version == '1.42.0'
+        uses: actions-rs/cargo@v1
+        timeout-minutes: 40
+        with:
+          command: test
+          args: --package=actix-protobuf
+                --all-features --no-fail-fast -- --nocapture