Update workflows to use ubuntu-24.04

Author: badlop

.github/workflows/ci.yml

@@ -9,12 +9,12 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        otp: ['19.3', '21.3', 24]
-    runs-on: ubuntu-20.04
+        otp: [20, 25, 26, 27]
+    runs-on: ubuntu-24.04
     container:
       image: erlang:${{ matrix.otp }}
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - run: adduser tester && chown -R tester .
     - run: su tester -c "make"
     - run: su tester -c "rebar3 compile"

.github/workflows/hexpm-release.yml

@@ -7,10 +7,20 @@ on:
 
 jobs:
   release:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     steps:
+
       - name: Check out
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
+
+      - name: Get Erlang/OTP
+        uses: erlef/setup-beam@v1
+        with:
+          otp-version: 27
+          rebar3-version: '3.24.0'
+
+      - name: Generate documentation
+        run: rebar3 edoc
 
       - name: Setup rebar3 hex
         run: |