fix: go1.12 for go-fuzz ci workflow

Author: rvagg

.github/workflows/go-fuzz.yml

@@ -15,7 +15,7 @@ jobs:
           submodules: recursive
       - uses: actions/setup-go@v5
         with:
-          go-version: 1.18.x
+          go-version: 1.22.x
       - name: Go information
         run: |
           go version
@@ -35,7 +35,7 @@ jobs:
           submodules: recursive
       - uses: actions/setup-go@v5
         with:
-          go-version: 1.18.x
+          go-version: 1.22.x
       - name: Go information
         run: |
           go version