feat: update README + fix tests

Author: wesraph

.github/workflows/ci.yml

@@ -18,7 +18,7 @@ jobs:
     - name: Set up Go
       uses: actions/setup-go@v5
       with:
-        go-version: '1.21'
+        go-version: '1.25.3'
 
     - name: Get dependencies
       run: go mod download
@@ -53,7 +53,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        go: ['1.21', '1.22']
+        go: ['1.25.3']
 
     steps:
     - name: Checkout code

.github/workflows/release.yml

@@ -53,7 +53,7 @@ jobs:
     - name: Set up Go
       uses: actions/setup-go@v5
       with:
-        go-version: '1.21'
+        go-version: '1.25.3'
 
     - name: Get dependencies
       run: go mod download