Update workflows to fix node 20 deprecation and update golangci-lint-action version and config

.github/workflows/check-flake.yml

@@ -2,7 +2,7 @@ name: Check Nix flake
 on:
   pull_request:
     paths:
-      - '**.nix'
+      - "**.nix"
       - flake.lock
   push:
     branches:
@@ -11,7 +11,7 @@ jobs:
   check-flake:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: DeterminateSystems/nix-installer-action@main
       - uses: DeterminateSystems/magic-nix-cache-action@main
       - name: Check Nix flake inputs

.github/workflows/test.yaml

@@ -2,26 +2,26 @@ name: Test and Validate
 on:
   push:
     paths-ignore:
-      - '**.md'
-      - '.github/ISSUE_TEMPLATE/**'
+      - "**.md"
+      - ".github/ISSUE_TEMPLATE/**"
   pull_request:
     paths-ignore:
-      - '**.md'
-      - '.github/ISSUE_TEMPLATE/**'
+      - "**.md"
+      - ".github/ISSUE_TEMPLATE/**"
 
 jobs:
   build:
     name: Test
     runs-on: ubuntu-latest
     steps:
+      - name: Check out code into the Go module directory
+        uses: actions/checkout@v6
+
       - name: Set up Go 1.x
-        uses: actions/setup-go@v3
+        uses: actions/setup-go@v6
         with:
           go-version: ^1.18
 
-      - name: Check out code into the Go module directory
-        uses: actions/checkout@v3
-
       - name: Test
         run: make test
 
@@ -31,14 +31,14 @@ jobs:
     name: Lint
     runs-on: ubuntu-latest
     steps:
+      - name: Check out code
+        uses: actions/checkout@v6
+
       - name: "Set up Go 1.x"
-        uses: actions/setup-go@v3
+        uses: actions/setup-go@v6
         with:
           go-version: 1.19
 
-      - name: Check out code
-        uses: actions/checkout@v3
-
       - name: Lint with golanci-lint
         uses: golangci/golangci-lint-action@v3
         with:

.github/workflows/update-flake-dependencies.yml

@@ -2,13 +2,13 @@
 name: Update flake dependencies
 on:
   schedule:
-    - cron: '0 16 * * 5'
+    - cron: "0 16 * * 5"
   workflow_dispatch: # for allowing manual triggers of the workflow
 jobs:
   update-dependencies:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: DeterminateSystems/nix-installer-action@main
       - uses: DeterminateSystems/magic-nix-cache-action@main
       - name: Update flake.lock and create signed commit with flake.lock changes