Upgrade deprecated actions

Author: marcelotto

.github/actions/elixir-setup/action.yml

@@ -64,15 +64,15 @@ runs:
         otp-version: ${{ inputs.otp-version }}
 
     - name: Get deps cache
-      uses: actions/cache@v2
+      uses: actions/cache@v4
       with:
         path: deps/
         key: deps-${{ inputs.cache-key }}-${{ runner.os }}-${{ hashFiles('**/mix.lock') }}
         restore-keys: |
           deps-${{ inputs.cache-key }}-${{ runner.os }}-
 
     - name: Get build cache
-      uses: actions/cache@v2
+      uses: actions/cache@v4
       id: build-cache
       with:
         path: _build/${{env.MIX_ENV}}/
@@ -81,7 +81,7 @@ runs:
           build-${{ inputs.cache-key }}-${{ runner.os }}-${{ inputs.otp-version }}-${{ inputs.elixir-version }}-${{ env.MIX_ENV }}-
 
     - name: Get Hex cache
-      uses: actions/cache@v2
+      uses: actions/cache@v4
       id: hex-cache
       with:
         path: ~/.hex

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

@@ -44,7 +44,7 @@ jobs:
             build-flags: --warnings-as-errors
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Setup Elixir Project
         uses: ./.github/actions/elixir-setup

.github/workflows/elixir-dialyzer.yml

@@ -21,7 +21,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Setup Elixir Project
         uses: ./.github/actions/elixir-setup
@@ -34,7 +34,7 @@ jobs:
       # Don't cache PLTs based on mix.lock hash, as Dialyzer can incrementally update even old ones
       # Cache key based on Elixir & Erlang version (also useful when running in matrix)
       - name: Restore PLT cache
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         id: plt_cache
         with:
           key: plt-${{ runner.os }}-${{ steps.beam.outputs.otp-version }}-${{ steps.beam.outputs.elixir-version }}-${{ hashFiles('**/mix.lock') }}-${{ hashFiles('**/*.ex') }}

.github/workflows/elixir-quality-checks.yml

@@ -19,7 +19,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Setup Elixir Project
         uses: ./.github/actions/elixir-setup