Bump erlef/setup-beam from 1.20.1 to 1.20.3

Bumps [erlef/setup-beam](https://github.com/erlef/setup-beam) from 1.20.1 to 1.20.3.
- [Release notes](https://github.com/erlef/setup-beam/releases)
- [Commits](erlef/setup-beam@75edbb8...8e7fdef)

---
updated-dependencies:
- dependency-name: erlef/setup-beam
  dependency-version: 1.20.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -53,7 +53,7 @@ jobs:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:
           fetch-depth: 50
-      - uses: erlef/setup-beam@75edbb82877ab10edeb12a99c3cf2f0909f3dc87 # v1.20.1
+      - uses: erlef/setup-beam@8e7fdef09ffa3ea54328b5000c170a3b9b20ca96 # v1.20.3
         with:
           otp-version: ${{ matrix.otp_version }}
       - name: Set ERL_COMPILER_OPTIONS
@@ -114,7 +114,7 @@ jobs:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:
           fetch-depth: 50
-      - uses: erlef/setup-beam@75edbb82877ab10edeb12a99c3cf2f0909f3dc87 # v1.20.1
+      - uses: erlef/setup-beam@8e7fdef09ffa3ea54328b5000c170a3b9b20ca96 # v1.20.3
         with:
           otp-version: ${{ matrix.otp_version }}
       - name: Compile Elixir

.github/workflows/notify.yml

@@ -19,7 +19,7 @@ jobs:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:
           fetch-depth: 50
-      - uses: erlef/setup-beam@75edbb82877ab10edeb12a99c3cf2f0909f3dc87 # v1.20.1
+      - uses: erlef/setup-beam@8e7fdef09ffa3ea54328b5000c170a3b9b20ca96 # v1.20.3
         with:
           otp-version: "27.3"
           elixir-version: "1.18.3"