chore: update workflows

.github/workflows/build-pre-release.yaml

@@ -21,7 +21,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@v3
         with:
-          go-version: 1.18
+          go-version: 1.19
 
       - uses: actions/cache@v3
         with:

.github/workflows/build-unsigned.yaml

@@ -18,7 +18,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@v3
         with:
-          go-version: 1.18
+          go-version: 1.19
       - uses: actions/cache@v3
         with:
           path: |