github/workflow: update go to 1.20 and neovim to v0.8.3 (#152)

* github/workflow: update go to 1.20 and neovim to v0.8.3

* nvim: fix testcase

* nvim: remove check v.cmd.Wait() returned error

---------

Signed-off-by: Koichi Shiraishi <zchee.io@gmail.com>

Author: zchee

.github/workflows/benchmark.yml

@@ -28,13 +28,13 @@ jobs:
     - name: Install Go
       uses: actions/setup-go@v3
       with:
-        go-version: '1.19.x'
+        go-version: '1.20.x'
 
     - name: Install nvim binary
       uses: rhysd/action-setup-vim@v1
       with:
         neovim: true
-        version: v0.7.2
+        version: v0.8.3
 
     - name: Run Benchmark
       run: |

.github/workflows/codeql.yml

@@ -25,7 +25,7 @@ jobs:
     - name: Set up Go
       uses: actions/setup-go@v3
       with:
-        go-version: '1.19.x'
+        go-version: '1.20.x'
 
     - name: Initialize CodeQL
       uses: github/codeql-action/init@v2

.github/workflows/test.yml

@@ -24,11 +24,11 @@ jobs:
           - macos-12      # https://github.com/actions/runner-images/blob/main/images/macos/macos-12-Readme.md
           - windows-2022  # https://github.com/actions/runner-images/blob/main/images/win/Windows2022-Readme.md
         go-version:
-          - 1.17.x
           - 1.18.x
           - 1.19.x
+          - 1.20.x
         neovim-version:
-          - v0.7.2
+          - v0.8.3
           - nightly
       fail-fast: false