Use OCaml 4.14.1 (+ Alpine 3.19 container) for CI build

Author: cknitt

.github/workflows/ci.yml

@@ -34,7 +34,7 @@ jobs:
     runs-on: ${{matrix.os}}
 
     container:
-      image: ghcr.io/rescript-lang/rescript-ci-build:v1.1.0
+      image: ghcr.io/rescript-lang/rescript-ci-build:main
 
     steps:
       # See https://github.com/actions/runner/issues/801#issuecomment-1374967227.
@@ -115,7 +115,7 @@ jobs:
             ubuntu-latest,
             windows-latest,
           ]
-        ocaml_compiler: [4.14.0]
+        ocaml_compiler: [4.14.1]
 
     runs-on: ${{matrix.os}}