bump required go version to 1.18

.github/workflows/codecov.yml

@@ -19,7 +19,7 @@ jobs:
           fetch-depth: 2
       - uses: actions/setup-go@6edd4406fa81c3da01a34fa6f6343087c207a568
         with:
-          go-version: '1.16'
+          go-version: '1.18'
       - name: Run coverage
         run: go test ./... -race -coverprofile=coverage.txt -covermode=atomic
       - name: Upload coverage to Codecov

.github/workflows/go.yml

@@ -7,7 +7,7 @@ jobs:
   test:
     strategy:
       matrix:
-        go-version: [1.16.x, 1.17.x, 1.18.x, 1.19.x]
+        go-version: [1.18.x, 1.19.x, 1.20.x, 1.21.x, 1.22.x]
         os: [ubuntu-latest, macos-latest, windows-latest]
     runs-on: ${{ matrix.os }}
     steps:

go.mod

@@ -1,6 +1,6 @@
 module github.com/muir/nvelope
 
-go 1.16
+go 1.18
 
 require (
 	github.com/golang/gddo v0.0.0-20210115222349-20d68f94ee1f
@@ -13,3 +13,10 @@ require (
 	github.com/stretchr/testify v1.8.1
 	gopkg.in/yaml.v2 v2.4.0
 )
+
+require (
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/julienschmidt/httprouter v1.3.0 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+)

go.sum

@@ -41,7 +41,6 @@ github.com/muir/nchi v0.0.3 h1:c23A55Z4mg0c9cU1a2ork1/FtxCxMFAFM0Se4MUidw4=
 github.com/muir/nchi v0.0.3/go.mod h1:xs3OCnEifM3cNqzlztC1yHmLRhRWP6T+QOJbBoElCZs=
 github.com/muir/nject v0.2.0/go.mod h1:vFJkDQciI0UURYI3cSZLyBhYxL3gn+4FvJBY9cZSsaA=
 github.com/muir/nject v0.4.0/go.mod h1:le4jeI0HP94VGIAGbdB4gLMzWENM/uHh8Iq3/Qv8wak=
-github.com/muir/nject v0.5.0/go.mod h1:kOa7nnqqV0tbg2tylEyZ0xtEl4tfC25wow7efbnba+M=
 github.com/muir/nject v1.3.2 h1:BylY/uPmc2+BK+usd7vhCQAJXiLJ1eGpCPM/YP31ONE=
 github.com/muir/nject v1.3.2/go.mod h1:ab6sXXg40/HOuC0hBr7LUGKbnwYuTjfk+6cgtpr3hKY=
 github.com/muir/nvelope v0.2.0/go.mod h1:raB9voDUnhMELiU2fZG7yHYdiRGKSh/FGtsjYWtdbpc=