Update GH Actions

.github/workflows/test-crystal-shards.yml

@@ -98,7 +98,7 @@ jobs:
           cat ../build-cache-key
       - name: Build cache
         id: build-cache
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: |
             ./crystal/.build/crystal
@@ -124,7 +124,7 @@ jobs:
           make bin/shards CRYSTAL=../crystal/bin/crystal
           bin/shards --version
       - name: Artifact (with permissions)
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: |
             ./test-ecosystem
@@ -169,15 +169,15 @@ jobs:
         env:
           POSTGRES_HOST_AUTH_METHOD: trust
       mysql:
-        image: mysql:8.2
+        image: mysql:8.3
         env:
           MYSQL_ALLOW_EMPTY_PASSWORD: 'yes'
       redis:
         image: redis:alpine
     needs: build
     steps:
       - name: Artifact (with permissions)
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: |
             ./test-ecosystem
@@ -203,7 +203,7 @@ jobs:
         with:
           args: /bin/sh -c "psql -U postgres -h postgres -f ./test-ecosystem/scripts/pg-init.sql"
       - name: Initialize mysql
-        uses: docker://mysql:8.2
+        uses: docker://mysql:8.3
         with:
           args: /bin/sh -c "mysql -uroot -h mysql < ./test-ecosystem/scripts/mysql-init.sql"
       - name: Configure git