update release workflow - UNTESTED

.github/workflows/docker-publish.yml

@@ -19,7 +19,7 @@ jobs:
     steps:
 
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           submodules: recursive
 
@@ -46,7 +46,7 @@ jobs:
 
       # Build and push the image
       - name: Build and Push Image
-        uses: docker/build-push-action@v2
+        uses: docker/build-push-action@v4
         with:
           context: .
           build-args: |

.github/workflows/fly-deploy.yml

@@ -22,7 +22,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout 
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - name: Setup Fly
         uses: superfly/flyctl-actions/setup-flyctl@master

.github/workflows/release.yml

@@ -13,7 +13,7 @@ jobs:
   release:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - name: Set rust version
         run: |
@@ -31,12 +31,14 @@ jobs:
           sudo apt-get update
           sudo apt-get install -y libudev-dev libssl-dev libsasl2-dev libzstd-dev
 
-      - uses: actions-rs/toolchain@v1
+      - uses: actions-rust-lang/setup-rust-toolchain@v1
         with:
           toolchain: ${{ env.RUST_STABLE }}
-          override: true
-          profile: minimal
           components: rustfmt
+          # fresh install is faster than using the cache (11 secs vs 1 minute)
+          cache: false
+          # avoid the default "-D warnings" which thrashes cache
+          rustflags: ""
 
       - name: Check Solana version
         run: |