ci: bump go version used for unit-tests (#1418)

Author: Codelax

.github/workflows/pull-request.yaml

@@ -7,7 +7,7 @@ jobs:
   unit-test:
     strategy:
       matrix:
-        go-version: [1.16.x, 1.17.x]
+        go-version: [1.17.x, 1.18.x]
         platform: [ubuntu-latest]
     runs-on: ${{ matrix.platform }}
     steps:
@@ -25,7 +25,7 @@ jobs:
   build-arch-test:
     strategy:
       matrix:
-        go-version: [1.16.x, 1.17.x]
+        go-version: [1.17.x, 1.18.x]
         platform: [ubuntu-latest]
         arch: [386, amd64, arm, arm64]
     runs-on: ${{ matrix.platform }}
@@ -44,7 +44,7 @@ jobs:
   build-platform-test:
     strategy:
       matrix:
-        go-version: [1.16.x, 1.17.x]
+        go-version: [1.17.x, 1.18.x]
         platform: [windows-latest, macos-latest]
     runs-on: ${{ matrix.platform }}
     steps: