Update dependency go to 1.25

Author: renovate[bot]

.github/workflows/codecov.yml

@@ -10,7 +10,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-go@v5
         with:
-          go-version: '1.20'
+          go-version: '1.25'
           cache: false
 
       - name: Get dependencies

.github/workflows/linter.yml

@@ -12,7 +12,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-go@v5
         with:
-          go-version: '1.20'
+          go-version: '1.25'
           cache: false
 
       - name: golangci-lint