Use proc_lib:spawn_link. Test on new OTP versions

Author: mworrell

.github/workflows/test.yml

@@ -18,14 +18,14 @@ jobs:
 
     strategy:
       matrix:
-        otp_version: [21,22,23]
+        otp_version: [25,26,27]
         os: [ubuntu-latest]
 
     container:
       image: erlang:${{ matrix.otp_version }}
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Compile
         run: make
       - name: Test

src/sidejob_supervisor.erl

@@ -110,7 +110,7 @@ handle_call({start_child, Mod, Fun, Args}, _From, State) ->
     {reply, Reply, State2};
 
 handle_call(spawn, _From, State) ->
-    Pid = erlang:spawn_link(fun spawned_worker/0),
+    Pid = proc_lib:spawn_link(fun spawned_worker/0),
     State2 = add_child(Pid, State),
     {reply, {ok, Pid}, State2};