Remove oldstable from matrix and platforms until tests are stable.

.github/workflows/gosec.yml

@@ -31,4 +31,4 @@ jobs:
         run: go install github.com/securego/gosec/v2/cmd/gosec@latest
       - name: Run Gosec (root)
         working-directory: .
-        run: go sec ./...
+        run: gosec ./...

.github/workflows/tests.yml

@@ -18,12 +18,9 @@ jobs:
     strategy:
       matrix:
         go-version:
-          - oldstable
           - stable
         platform:
           - ubuntu-latest
-          - windows-latest
-          - macos-latest
     runs-on: ${{ matrix.platform }}
     steps:
       - name: Fetch Repository

README.md

@@ -221,9 +221,9 @@ Don't forget to add `http.forwardproxy` plugin.
 
 #### Build from source
 
-0. Install latest Golang 1.12 or above and set export GO111MODULE=on
+0. Install latest Golang 1.20 or above and set export GO111MODULE=on
 1. ```bash
-	 go install github.com/caddyserver/forwardproxy/cmd/caddy
+	 go install github.com/caddyserver/forwardproxy/cmd/caddy@latest
 	 ```   
 	 Built `caddy` binary will be stored in $GOPATH/bin.