build: update Go version support and build configurations

- Remove support for Go versions 1.18, 1.19, and 1.20
- Add support for Go version 1.23
- Remove macOS cache configuration for Go builds

Signed-off-by: appleboy <appleboy.tw@gmail.com>

Author: appleboy

.github/workflows/go.yml

@@ -27,12 +27,10 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        go: [1.18, 1.19, "1.20", 1.21, 1.22]
+        go: [1.21, 1.22, 1.23]
         include:
           - os: ubuntu-latest
             go-build: ~/.cache/go-build
-          - os: macos-latest
-            go-build: ~/Library/Caches/go-build
     name: ${{ matrix.os }} @ Go ${{ matrix.go }}
     runs-on: ${{ matrix.os }}
     env: