Revert CI changes

Author: elbrujohalcon

.github/workflows/ci.yml

@@ -10,7 +10,7 @@ jobs:
 
     strategy:
       matrix:
-        otp: ['26', '27', '28']
+        otp: ['25', '26', '27']
         rebar: ['3.24']
 
     steps:
@@ -31,10 +31,10 @@ jobs:
           path: ~/.cache/rebar3
           key: rebar3-cache-for-os-${{runner.os}}-otp-${{steps.setup-beam.outputs.otp-version}}-rebar3-${{steps.setup-beam.outputs.rebar3-version}}-hash-${{hashFiles('rebar.lock')}}
       - name: Compile
-        run: rebar3 compile
+        run: ERL_FLAGS="-enable-feature all" rebar3 compile
       #- name: Format check
-      #  run: rebar3 format --verify
+      #  run: ERL_FLAGS="-enable-feature all" rebar3 format --verify
       - name: Run tests and verifications (features not enabled)
         run: rebar3 test
       - name: Run tests and verifications (features enabled)
-        run: rebar3 test
+        run: ERL_FLAGS="-enable-feature all" rebar3 test