Update github actions cache and checkout to v3

Author: warmwaffles

.github/workflows/ci.yml

@@ -20,12 +20,12 @@ jobs:
         elixir: ["1.14"]
         otp: ["25"]
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - uses: erlef/setup-beam@v1
         with:
           otp-version: ${{ matrix.otp }}
           elixir-version: ${{ matrix.elixir }}
-      - uses: actions/cache@v2
+      - uses: actions/cache@v3
         with:
           path: deps
           key: ${{ matrix.os }}-otp_${{ matrix.otp }}-elixir_${{ matrix.elixir }}-mix_${{ hashFiles('**/mix.lock') }}
@@ -58,14 +58,14 @@ jobs:
           - elixir: "1.11"
             otp: "25"
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - uses: erlef/setup-beam@v1
         with:
           otp-version: ${{ matrix.otp }}
           elixir-version: ${{ matrix.elixir }}
       - uses: egor-tensin/vs-shell@v2
         if: runner.os == 'Windows'
-      - uses: actions/cache@v2
+      - uses: actions/cache@v3
         with:
           path: deps
           key: ${{ matrix.os }}-otp_${{ matrix.otp }}-elixir_${{ matrix.elixir }}-mix_${{ hashFiles('**/mix.lock') }}