chore(CI): bump the last version of ocaml from 4.13 to 4.14

.github/workflows/compat.yml

@@ -20,7 +20,7 @@ jobs:
             - '4.06.x'
             - '4.07.x'
             - '4.08.x'
-            - '4.13.x'
+            - '4.14.x'
 
     runs-on: ${{ matrix.os }}
     steps:

.github/workflows/gh-pages.yml

@@ -15,7 +15,7 @@ jobs:
       - name: Use OCaml
         uses: ocaml/setup-ocaml@v2
         with:
-          ocaml-compiler: '4.13.x'
+          ocaml-compiler: '4.14.x'
 
       - name: Pin
         run: opam pin -n .

.github/workflows/main.yml

@@ -18,7 +18,7 @@ jobs:
               #- windows-latest
         ocaml-compiler:
             - '4.03.x'
-            - '4.13.x'
+            - '4.14.x'
 
     runs-on: ${{ matrix.os }}
     steps: