Upgrade GitHub Actions workflow with latest runners and actions

Signed-off-by: Sora Morimoto <[email protected]>

Author: smorimoto

.github/workflows/test.yml

@@ -7,14 +7,12 @@ jobs:
       fail-fast: false
       matrix:
         os:
-        - ubuntu-20.04
-        - macos-11
-        # Build binaries on older systems to require lower versions of libc and
-        # other system libraries.
+        - ubuntu-latest
+        - macos-latest
 
     runs-on: ${{matrix.os}}
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - run: npm install esy
     - run: echo PATH=$(pwd)/node_modules/.bin:$PATH >> $GITHUB_ENV
     - run: make -C test/js full-test
@@ -55,8 +53,8 @@ jobs:
 
     runs-on: ${{matrix.os}}
     steps:
-    - uses: actions/checkout@v2
-    - uses: avsm/setup-ocaml@v2
+    - uses: actions/checkout@v4
+    - uses: ocaml/setup-ocaml@v3
       with:
         ocaml-compiler: ${{matrix.ocaml}}