Update GitHub setup-go action to v4

Update setup-go and read Go version from go.mod.

Author: gzurowski

.github/workflows/nightly-release.yaml

@@ -25,9 +25,9 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v3
       - name: Setup Go
-        uses: actions/setup-go@v2
+        uses: actions/setup-go@v4
         with:
-          go-version: 1.19.x
+          go-version-file: 'go.mod'
       - name: Install dependencies
         run: |
           sudo apt update -qq

.github/workflows/release.yaml

@@ -11,9 +11,9 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v3
       - name: Setup Go
-        uses: actions/setup-go@v2
+        uses: actions/setup-go@v4
         with:
-          go-version: 1.19.x
+          go-version-file: 'go.mod'
       - name: Install dependencies
         run: |
           sudo apt update -qq

.github/workflows/test.yaml

@@ -12,9 +12,9 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v3
       - name: Setup Go
-        uses: actions/setup-go@v2
+        uses: actions/setup-go@v4
         with:
-          go-version: 1.19.x
+          go-version-file: 'go.mod'
       - name: Install dependencies
         run: |
           sudo apt update -qq