switches workflows to ocaml/setup-ocaml.v2 (#1311)

The new version might give us much better performance, see the
[discussion][1] for further details.

[1]: https://discuss.ocaml.org/t/ann-set-up-ocaml-2-0-0-alpha/7895

Author: ivg

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

@@ -17,9 +17,9 @@ jobs:
            uses: actions/checkout@v2
 
          - name: Install OCaml
-           uses: avsm/setup-ocaml@v1
+           uses: ocaml/setup-ocaml@v2
            with:
-             ocaml-version: 4.08.1
+             ocaml-compiler: 4.08.1
 
          - name: Add the testing Repository
            run: opam repo add bap git://github.com/BinaryAnalysisPlatform/opam-repository#testing

.github/workflows/build-dev-repo.yml

@@ -28,9 +28,9 @@ jobs:
         uses: actions/checkout@v2
 
       - name: Use OCaml ${{ matrix.ocaml-version }}
-        uses: avsm/setup-ocaml@v1
+        uses: ocaml/setup-ocaml@v2
         with:
-          ocaml-version: ${{ matrix.ocaml-version }}
+          ocaml-compiler: ${{ matrix.ocaml-version }}
 
       - name: Add the testing Repository
         run: opam repo add bap git://github.com/BinaryAnalysisPlatform/opam-repository#testing

.github/workflows/build-from-opam.yml

@@ -18,9 +18,9 @@ jobs:
 
     steps:
         - name: Use OCaml ${{ matrix.ocaml-version }}
-          uses: avsm/setup-ocaml@v1
+          uses: ocaml/setup-ocaml@v2
           with:
-            ocaml-version: ${{ matrix.ocaml-version }}
+            ocaml-compiler: ${{ matrix.ocaml-version }}
 
         - name: Add the testing Repository
           run: opam repo add bap git://github.com/BinaryAnalysisPlatform/opam-repository#testing

.github/workflows/check-the-style.yml

@@ -16,9 +16,9 @@ jobs:
         uses: actions/checkout@v2
 
       - name: Setup OCaml
-        uses: avsm/setup-ocaml@v1
+        uses: ocaml/setup-ocaml@v2
         with:
-          ocaml-version: 4.08.1
+          ocaml-compile: 4.08.1
 
       - name: Check the Style
         run: opam install -y ocp-indent && opam exec -- make check-style

.github/workflows/nightly-testing.yml

@@ -22,9 +22,9 @@ jobs:
 
     steps:
         - name: Use OCaml ${{ matrix.ocaml-version }}
-          uses: avsm/setup-ocaml@v1
+          uses: ocaml/setup-ocaml@v2
           with:
-            ocaml-version: ${{ matrix.ocaml-version }}
+            ocaml-compiler: ${{ matrix.ocaml-version }}
 
         - name: Configure Homebrew
           if: matrix.os == 'macos-latest'

.github/workflows/release.yml

@@ -19,9 +19,9 @@ jobs:
            uses: actions/checkout@v2
 
          - name: Install OCaml
-           uses: avsm/setup-ocaml@v1
+           uses: ocaml/setup-ocaml@v2
            with:
-             ocaml-version: 4.11.1+flambda
+             ocaml-compiler: 4.11.1+flambda
 
          - name: Add the testing Repository
            run: opam repo add bap git://github.com/BinaryAnalysisPlatform/opam-repository#testing

.github/workflows/weekly-regress.yml

@@ -22,9 +22,9 @@ jobs:
     steps:
 
         - name: Use OCaml ${{ matrix.ocaml-version }}
-          uses: avsm/setup-ocaml@v1
+          uses: ocaml/setup-ocaml@v2
           with:
-            ocaml-version: ${{ matrix.ocaml-version }}
+            ocaml-compiler: ${{ matrix.ocaml-version }}
 
         - name: Install System Dependencies
           run: opam depext -y bap