adjust supported go versions

Signed-off-by: Fabian Martinez <[email protected]>

.github/workflows/go.yml

@@ -16,7 +16,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        go-version: [1.19, "1.20", "1.21", "1.22", "1.23"]
+        go-version: ["1.21", "1.22", "1.23"]
     steps:
     - uses: actions/checkout@v3
 
@@ -30,26 +30,3 @@ jobs:
 
     - name: Test
       run: go test -v ./...
-
-  deprecated-versions-tests:
-    needs: tests
-    name: Deprecated Go version Tests
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ ubuntu-latest, macos-latest, windows-latest ]
-        go-version: [ 1.17, 1.18 ]
-
-    steps:
-      - uses: actions/checkout@v3
-
-      - name: Set up Go
-        uses: actions/setup-go@v4
-        with:
-          go-version: ${{ matrix.go-version }}
-
-      - name: Build
-        run: go build -v ./...
-
-      - name: Test
-        run: go test -v ./...

.github/workflows/golangci-lint.yml

@@ -14,7 +14,7 @@ jobs:
   golangci:
     strategy:
       matrix:
-        go: [ '1.20' ]
+        go: [ '1.21' ]
         os: [ macos-latest, windows-latest ]
     name: lint
     runs-on: ${{ matrix.os }}

README.md

@@ -5,7 +5,7 @@
 
 `aws-msk-iam-sasl-signer-go` is the AWS MSK IAM SASL Signer for Go programming language.
 
-The AWS MSK IAM SASL Signer for Go requires a minimum version of `Go 1.17`.
+The AWS MSK IAM SASL Signer for Go requires a minimum version of `Go 1.21`.
 
 Check out the [release notes](https://github.com/aws/aws-msk-iam-sasl-signer-go/blob/main/CHANGELOG.md) for information about the latest bug
 fixes, updates, and features added to the library.