Install Go 1.18 on CI

.github/workflows/ci.yml

@@ -5,6 +5,7 @@ env:
     ASAN_OPTIONS: leak_check_at_exit=0
     LC_ALL: en_US.UTF-8
     LANG: en_US.UTF-8
+    GO_INSTALL_VERSION: ">=1.18.0"
 
 permissions:
   contents: read # to fetch code (actions/checkout)
@@ -48,11 +49,17 @@ jobs:
             uses: actions/checkout@v3
             with:
               fetch-depth: 10
+
           - name: Set up Python ${{ matrix.pyver }}
             uses: actions/setup-python@v3
             with:
               python-version: ${{ matrix.pyver }}
 
+          - name: Install Go
+            uses: actions/setup-go@v3
+            with:
+              go-version: ${{ env.GO_INSTALL_VERSION }}
+
           - name: Build kitty
             run: python .github/workflows/ci.py build
 
@@ -73,10 +80,22 @@ jobs:
           - name: Test for trailing whitespace
             run: if grep -Inr '\s$' kitty kitty_tests kittens docs *.py *.asciidoc *.rst *.go .gitattributes .gitignore; then echo Trailing whitespace found, aborting.; exit 1; fi
 
+<<<<<<< HEAD
             - name: Set up Python
               uses: actions/setup-python@v3
               with:
                 python-version: "3.10"
+=======
+          - name: Set up Python
+            uses: actions/setup-python@v3
+            with:
+              python-version: 3.9
+>>>>>>> 359bf535d (Install Go 1.18 on CI)
+
+          - name: Install Go
+            uses: actions/setup-go@v3
+            with:
+              go-version: ${{ env.GO_INSTALL_VERSION }}
 
           - name: Install build-only deps
             run: python -m pip install -r docs/requirements.txt flake8 mypy types-requests types-docutils
@@ -116,6 +135,11 @@ jobs:
             with:
               fetch-depth: 10
 
+          - name: Install Go
+            uses: actions/setup-go@v3
+            with:
+              go-version: ${{ env.GO_INSTALL_VERSION }}
+
           - name: Build kitty
             run: which python3 && python3 .github/workflows/ci.py build
 
@@ -136,6 +160,11 @@ jobs:
             with:
               python-version: "3.10"
 
+          - name: Install Go
+            uses: actions/setup-go@v3
+            with:
+              go-version: ${{ env.GO_INSTALL_VERSION }}
+
           - name: Build kitty
             run: python3 .github/workflows/ci.py build