bump: bump to golang 1.20 (oras-project#784)

Resolves oras-project#776

Signed-off-by: wangxiaoxuan273 <[email protected]>

.github/workflows/build.yml

@@ -27,7 +27,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        go-version: [1.19]
+        go-version: ['1.20']
       fail-fast: true
     steps:
       - name: Checkout

.github/workflows/codeql-analysis.yml

@@ -35,7 +35,7 @@ jobs:
       security-events: write
     strategy:
       matrix:
-        go-version: [1.19]
+        go-version: ['1.20']
       fail-fast: false
     steps:
       - name: Checkout repository

.github/workflows/release-github.yml

@@ -29,7 +29,7 @@ jobs:
       - name: setup go environment
         uses: actions/setup-go@v3
         with:
-          go-version: '1.19.5'
+          go-version: '1.20.0'
       - name: run goreleaser
         uses: goreleaser/goreleaser-action@v2
         with:

Dockerfile

@@ -11,7 +11,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-FROM docker.io/library/golang:1.19.5-alpine as builder
+FROM docker.io/library/golang:1.20.0-alpine as builder
 ARG TARGETPLATFORM
 RUN apk add git make
 ENV ORASPKG /oras

go.mod

@@ -1,6 +1,6 @@
 module oras.land/oras
 
-go 1.19
+go 1.20
 
 require (
 	github.com/docker/cli v20.10.23+incompatible

test/e2e/go.mod

@@ -1,6 +1,6 @@
 module oras.land/oras/test/e2e
 
-go 1.19
+go 1.20
 
 require (
 	github.com/onsi/ginkgo/v2 v2.1.6

test/e2e/go.work

@@ -1,4 +1,4 @@
-go 1.19
+go 1.20
 
 use (
 	.