chore(deps): update dependency go to v1.25.5

Author: renovate-bot

.github/workflows/ci.yaml

@@ -13,5 +13,5 @@ jobs:
     - uses: actions/checkout@v2
     - uses: actions/setup-go@v2
       with:
-        go-version: '1.15.8'
+        go-version: '1.25.5'
     - run: go test -mod=mod ./...

.github/workflows/release.yaml

@@ -54,7 +54,7 @@ jobs:
     steps:
       - uses: actions/setup-go@v2
         with:
-          go-version: '1.15.8'
+          go-version: '1.25.5'
       - uses: actions/checkout@v2
       # This project does not use these as Go deps,  but we need them to build
       # the binaries.