Update actions/setup-go action to v7

Author: renovate[bot]

.github/workflows/codetests.yml

@@ -17,7 +17,7 @@ jobs:
     runs-on: ${{ matrix.os }}-latest
     steps:
       - uses: actions/checkout@v6
-      - uses: actions/setup-go@v6
+      - uses: actions/setup-go@v7
         with:
           go-version: stable
       - name: go-test
@@ -33,7 +33,7 @@ jobs:
     env:
       GOOS: ${{ matrix.os }}
     steps:
-      - uses: actions/setup-go@v6
+      - uses: actions/setup-go@v7
         with:
           go-version: stable
       - uses: actions/checkout@v6
@@ -51,7 +51,7 @@ jobs:
     env:
       GOOS: ${{ matrix.os }}
     steps:
-      - uses: actions/setup-go@v6
+      - uses: actions/setup-go@v7
         with:
           go-version: stable
       - uses: actions/checkout@v6