Fix git unshallow in CI builds

Author: pellared

.github/workflows/build.yml

@@ -13,7 +13,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - run: git fetch --prune --unshallow
+        with:
+          fetch-depth: 0
       - uses: actions/cache@v2
         with:
           path: ~/go/pkg/mod

.github/workflows/release.yml

@@ -10,7 +10,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - run: git fetch --prune --unshallow
+        with:
+          fetch-depth: 0
       - uses: actions/setup-go@v2
         with:
           go-version: 1.14