[IMPROVED] Fix deprecation warnings by bumping GH actions to their latest version (#2048)

Co-authored-by: Andreas Deininger <adeininger@urbanonline.de>

Author: deining

.github/workflows/ci.yaml

@@ -12,10 +12,10 @@ jobs:
         runs-on: ubuntu-latest-8-cores
         steps:
             - name: Checkout code
-              uses: actions/checkout@v4
+              uses: actions/checkout@v6
 
             - name: Setup Go
-              uses: actions/setup-go@v5
+              uses: actions/setup-go@v6
               with:
                 go-version: 'stable'
 
@@ -47,10 +47,10 @@ jobs:
                   coverage: true
         steps:
             - name: Checkout code
-              uses: actions/checkout@v4
+              uses: actions/checkout@v6
 
             - name: Setup Go
-              uses: actions/setup-go@v5
+              uses: actions/setup-go@v6
               with:
                 go-version: ${{ matrix.go }}
 
@@ -74,4 +74,4 @@ jobs:
               if: matrix.coverage
               uses: coverallsapp/github-action@v2
               with:
-               file: acc.out
+               file: acc.out

.github/workflows/dependencies.yaml

@@ -16,14 +16,14 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0  # Fetch all history for all branches and tags
 
       - name: Set up Go
-        uses: actions/setup-go@v5
+        uses: actions/setup-go@v6
         with:
-          go-version: '1.22'
+          go-version: '1.26'
 
       - name: Install go-licenses
         run: go install github.com/google/go-licenses@latest

.github/workflows/latest-server.yaml

@@ -8,10 +8,10 @@ jobs:
         runs-on: ubuntu-latest
         steps:
             - name: Checkout code
-              uses: actions/checkout@v4
+              uses: actions/checkout@v6
 
             - name: Setup Go
-              uses: actions/setup-go@v5
+              uses: actions/setup-go@v6
               with:
                 go-version: 'stable'
 
@@ -24,4 +24,4 @@ jobs:
               shell: bash --noprofile --norc -x -eo pipefail {0}
               run: |
                 go test -modfile=go_test.mod -v -run=TestNoRace -p=1 ./... --failfast -vet=off
-                go test -modfile=go_test.mod -race -v -p=1 ./... --failfast -vet=off -tags=internal_testing
+                go test -modfile=go_test.mod -race -v -p=1 ./... --failfast -vet=off -tags=internal_testing