Update GitHub actions so that they work

Author: josefs

.github/workflows/build-and-test.yml

@@ -9,13 +9,13 @@ on:
 
 jobs:
   test:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     name: Erlang ${{matrix.otp}}
     strategy:
       matrix:
-        otp: ['23.3.4.7', '24.3.4.4', '25.1.2']
+        otp: ['25.3', '26.2', '27.2']
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - uses: erlef/setup-beam@v1
         with:
           otp-version: ${{matrix.otp}}

.github/workflows/proptests.yml

@@ -9,13 +9,13 @@ on:
 
 jobs:
   test:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     name: Erlang ${{matrix.otp}}
     strategy:
       matrix:
-        otp: ['26.2.5']
+        otp: ['27.2']
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - uses: erlef/setup-beam@v1
         with:
           otp-version: ${{matrix.otp}}

.github/workflows/self-check.yml

@@ -9,13 +9,13 @@ on:
 
 jobs:
   test:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     name: Erlang ${{matrix.otp}}
     strategy:
       matrix:
-        otp: ['24.3.4.4']
+        otp: ['27.2']
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - uses: erlef/setup-beam@v1
         with:
           otp-version: ${{matrix.otp}}