CI: update to latest gap-actions

Author: fingolfin

.github/workflows/CI.yml

@@ -19,29 +19,29 @@ concurrency:
 jobs:
   # The job running the package tests.
   test:
-    name: ${{ matrix.gap-branch }}
+    name: ${{ matrix.gap-version }}
     runs-on: ubuntu-latest
     strategy:
       fail-fast: false
       matrix:
-        gap-branch:
-          - master
-          - stable-4.15
-          - stable-4.14
-          - stable-4.13
-          - stable-4.12
+        gap-version:
+          - 'devel'
+          - '4.15'
+          - '4.14'
+          - '4.13'
+          - '4.12'
 
     steps:
       - uses: actions/checkout@v6
-      - uses: gap-actions/setup-gap@v2
+      - uses: gap-actions/setup-gap@v3
         with:
-          GAPBRANCH: ${{ matrix.gap-branch }}
-      - uses: gap-actions/build-pkg@v1
-      - uses: gap-actions/run-pkg-tests@v3
-      - uses: gap-actions/run-pkg-tests@v3
+          gap-version: ${{ matrix.gap-version }}
+      - uses: gap-actions/build-pkg@v2
+      - uses: gap-actions/run-pkg-tests@v4
+      - uses: gap-actions/run-pkg-tests@v4
         with:
-          only-needed: true
-      - uses: gap-actions/process-coverage@v2
+          mode: onlyneeded
+      - uses: gap-actions/process-coverage@v3
       - uses: codecov/codecov-action@v5
         with:
           token: ${{ secrets.CODECOV_TOKEN }}