fix: workflows

Author: ldez

.github/workflows/post-release.yml

@@ -18,7 +18,7 @@ jobs:
           # ex:
           # - 1.18beta1 -> 1.18.0-beta.1
           # - 1.18rc1 -> 1.18.0-rc.1
-          go-version: 1.18.0-rc.1
+          go-version: 1.20.0-rc.1
 
       - name: Update GitHub action config
         run: make assets/github-action-config.json

.github/workflows/pr.yml

@@ -90,7 +90,7 @@ jobs:
     strategy:
       matrix:
         golang:
-          - 1.18
+          - 1.19
           - 1.20.0-rc.1
     steps:
       - uses: actions/checkout@v3