Use Go 1.18

.github/workflows/codeqltest.yml

@@ -7,10 +7,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
 
-    - name: Set up Go 1.17
+    - name: Set up Go 1.18
       uses: actions/setup-go@v1
       with:
-        go-version: 1.17
+        go-version: 1.18
       id: go
 
     - name: Set up CodeQL CLI
@@ -59,10 +59,10 @@ jobs:
     name: Test MacOS
     runs-on: macOS-latest
     steps:
-    - name: Set up Go 1.17
+    - name: Set up Go 1.18
       uses: actions/setup-go@v1
       with:
-        go-version: 1.17
+        go-version: 1.18
       id: go
 
     - name: Set up CodeQL CLI
@@ -99,10 +99,10 @@ jobs:
     name: Test Windows
     runs-on: windows-2019
     steps:
-    - name: Set up Go 1.17
+    - name: Set up Go 1.18
       uses: actions/setup-go@v1
       with:
-        go-version: 1.17
+        go-version: 1.18
       id: go
 
     - name: Set up CodeQL CLI

go.mod

@@ -1,6 +1,6 @@
 module github.com/github/codeql-go
 
-go 1.17
+go 1.18
 
 require (
 	golang.org/x/mod v0.5.0