Bump ocaml/setup-ocaml from 3.0.0.pre.beta to 3.0.0.pre.beta1 (#1635)

Bumps [ocaml/setup-ocaml](https://github.com/ocaml/setup-ocaml) from 3.0.0.pre.beta to 3.0.0.pre.beta1.
- [Release notes](https://github.com/ocaml/setup-ocaml/releases)
- [Changelog](https://github.com/ocaml/setup-ocaml/blob/master/CHANGELOG.md)
- [Commits](ocaml/setup-ocaml@v3.0.0-beta...v3.0.0-beta1)

---
updated-dependencies:
- dependency-name: ocaml/setup-ocaml
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/build.yml

@@ -82,7 +82,7 @@ jobs:
           node-version: lts/*
 
       - name: Set-up OCaml ${{ matrix.ocaml-compiler }}
-        uses: ocaml/[email protected]beta
+        uses: ocaml/[email protected]beta1
         with:
           ocaml-compiler: ${{ matrix.ocaml-compiler }}
           allow-prerelease-opam: true
@@ -132,13 +132,13 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Set-up OCaml
-        uses: ocaml/[email protected]beta
+        uses: ocaml/[email protected]beta1
         with:
           ocaml-compiler: "5.2"
           allow-prerelease-opam: true
           dune-cache: true
 
-      - uses: ocaml/setup-ocaml/[email protected]beta
+      - uses: ocaml/setup-ocaml/[email protected]beta1
         continue-on-error: true
 
   lint-fmt:
@@ -148,10 +148,10 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Set-up OCaml
-        uses: ocaml/[email protected]beta
+        uses: ocaml/[email protected]beta1
         with:
           ocaml-compiler: "5.2"
           allow-prerelease-opam: true
           dune-cache: true
 
-      - uses: ocaml/setup-ocaml/[email protected]beta
+      - uses: ocaml/setup-ocaml/[email protected]beta1