chore: upgrade to golang 1.20

.github/workflows/build.yaml

@@ -29,7 +29,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v3
         with:
-          go-version: 1.19
+          go-version: "1.20"
       - name: Build
         run: |
           go test -v -short ./...

.github/workflows/integration.yaml

@@ -26,7 +26,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v3
         with:
-          go-version: 1.19
+          go-version: "1.20"
       - name: Run Integration Tests
         run: |
           go test -v ./tests

.github/workflows/nightly.yaml

@@ -28,7 +28,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v3
         with:
-          go-version: 1.19
+          go-version: "1.20"
       - name: Install cosign
         uses: sigstore/cosign-installer@v2.8.1
       - name: Run GoReleaser

.github/workflows/release.yaml

@@ -31,7 +31,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v3
         with:
-          go-version: 1.19
+          go-version: "1.20"
       - name: Install cosign
         uses: sigstore/cosign-installer@v2.8.1
       - name: Run GoReleaser

go.mod

@@ -1,6 +1,6 @@
 module github.com/jsiebens/ionscale
 
-go 1.19
+go 1.20
 
 require (
 	github.com/apparentlymart/go-cidr v1.1.0