bump github actions

Author: lukaszsamson

.github/workflows/ci.yml

@@ -49,7 +49,7 @@ jobs:
     env:
       MIX_ENV: test
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - uses: erlef/setup-beam@v1
         with:
           otp-version: ${{matrix.otp}}
@@ -74,13 +74,13 @@ jobs:
           - elixir: 1.13.x
             otp: 24.3.x
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - uses: erlef/setup-beam@v1
         with:
           otp-version: ${{matrix.otp}}
           elixir-version: ${{matrix.elixir}}
       - name: Cache build artifacts
-        uses: actions/cache@v2
+        uses: actions/cache@v3
         with:
           path: |
             ~/.hex

.github/workflows/docsite.yml

@@ -15,7 +15,7 @@ jobs:
       image: squidfunk/mkdocs-material
     steps: 
       - name: Checkout
-        uses: actions/checkout@v2.3.1
+        uses: actions/checkout@v3
       - name: Build
         run: mkdocs build -s
       - name: Upload artifact
@@ -32,9 +32,9 @@ jobs:
       max-parallel: 1
     steps:
       - name: Checkout
-        uses: actions/checkout@v2.3.1
+        uses: actions/checkout@v3
       - name: Download artifact
-        uses: actions/download-artifact@v1
+        uses: actions/download-artifact@v3
         with:
           name: site
           path: site

.github/workflows/release-asset.yml

@@ -43,15 +43,15 @@ jobs:
             default: true
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Set up BEAM
         uses: erlef/setup-beam@v1
         with:
           elixir-version: ${{ matrix.elixir-version }}
           otp-version: ${{ matrix.otp-version }}
 
       - name: Restore dependencies cache
-        uses: actions/cache@v2
+        uses: actions/cache@v3
         with:
           path: deps
           key: ${{ runner.os }}-mix-${{ hashFiles('**/mix.lock') }}