chore: upgrade to go 1.18 (infracost#1466)

* go 1.18

gsed -i 's/1\.17/1.18/' Dockerfile* go.mod .github/workflows/*

* golangci-lint 1.45

golangci/golangci-lint#2438
https://github.com/golangci/golangci-lint/releases/tag/v1.45.0

Author: PatMyron

.github/workflows/check-resources.yml

@@ -11,7 +11,7 @@ jobs:
       - name: Set up Go 1.x
         uses: actions/setup-go@v2
         with:
-          go-version: 1.17
+          go-version: 1.18
       - name: Configure AWS Credentials
         uses: aws-actions/configure-aws-credentials@v1
         with:

.github/workflows/create-release.yml

@@ -13,7 +13,7 @@ jobs:
       - name: Set up Go 1.x
         uses: actions/setup-go@v2
         with:
-          go-version: 1.17
+          go-version: 1.18
 
       - name: Build project
         run: |

.github/workflows/go.yml

@@ -16,13 +16,13 @@ jobs:
       - name: Set up Go 1.x
         uses: actions/setup-go@v2
         with:
-          go-version: 1.17
+          go-version: 1.18
 
       - name: Run golangci-lint
         uses: golangci/[email protected]
         with:
           # Required: the version of golangci-lint is required and must be specified without patch version: they always use the latest patch version.
-          version: v1.41
+          version: v1.45
           args: --timeout 3m0s
 
       - name: Install Terragrunt v0.31.8
@@ -64,7 +64,7 @@ jobs:
       - name: Set up Go 1.x
         uses: actions/setup-go@v2
         with:
-          go-version: 1.17
+          go-version: 1.18
 
       - name: Test (AWS)
         run: make test_aws
@@ -81,7 +81,7 @@ jobs:
       - name: Set up Go 1.x
         uses: actions/setup-go@v2
         with:
-          go-version: 1.17
+          go-version: 1.18
 
       - name: Test (Google)
         run: make test_google
@@ -98,7 +98,7 @@ jobs:
       - name: Set up Go 1.x
         uses: actions/setup-go@v2
         with:
-          go-version: 1.17
+          go-version: 1.18
 
       - name: Test (Azure)
         run: make test_azure

Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.17 as builder
+FROM golang:1.18 as builder
 
 ARG ARCH=linux
 ARG DEFAULT_TERRAFORM_VERSION=0.15.5

Dockerfile.ci

@@ -1,4 +1,4 @@
-FROM golang:1.17 as builder
+FROM golang:1.18 as builder
 
 ARG ARCH=linux64
 

go.mod

@@ -1,6 +1,6 @@
 module github.com/infracost/infracost
 
-go 1.17
+go 1.18
 
 require (
 	github.com/Masterminds/goutils v1.1.0 // indirect