chore(deps): update go version to 1.18 (#1363)

Co-authored-by: nils måsén <nils@piksel.se>

.github/workflows/pull-request.yml

@@ -18,20 +18,17 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v3
         with:
-          go-version: 1.15.x
-      - name: Install linter
-        run: |
-          go get -u golang.org/x/lint/golint
-      - name: Lint files
-        run: |
-          golint -set_exit_status ./...
+          go-version: 1.18.x
+      - uses: dominikh/staticcheck-action@v1.2.0
+        with:
+          version: "2022.1.1"
   test:
     name: Test
     strategy:
       fail-fast: false
       matrix:
         go-version:
-          - 1.15.x
+          - 1.18.x
         platform:
           - macos-latest
           - windows-latest
@@ -45,7 +42,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v3
         with:
-          go-version: 1.15.x
+          go-version: 1.18.x
       - name: Run tests
         run: |
           go test -v -coverprofile coverage.out -covermode atomic ./... 
@@ -64,7 +61,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v3
         with:
-          go-version: 1.15.x
+          go-version: 1.18.x
       - name: Build
         uses: goreleaser/goreleaser-action@v3
         with:

.github/workflows/release-dev.yaml

@@ -14,7 +14,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v3
         with:
-          go-version: 1.15
+          go-version: 1.18
       - name: Build
         run: ./build.sh
   test:
@@ -24,7 +24,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v3
         with:
-          go-version: 1.15
+          go-version: 1.18
       - name: Test
         run: go test -v -coverprofile coverage.out -covermode atomic ./... 
       - name: Publish coverage

.github/workflows/release.yml

@@ -21,7 +21,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v3
         with:
-          go-version: 1.15.x
+          go-version: 1.18.x
       - name: Install linter
         run: |
           go get -u golang.org/x/lint/golint
@@ -34,7 +34,7 @@ jobs:
     strategy:
       matrix:
         go-version:
-          - 1.15.x
+          - 1.18.x
         platform:
           - ubuntu-latest
           - macos-latest
@@ -48,7 +48,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v3
         with:
-          go-version: 1.15.x
+          go-version: 1.18.x
       - name: Run tests
         run: |
           go test ./... -coverprofile coverage.out
@@ -70,7 +70,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v3
         with:
-          go-version: 1.15.x
+          go-version: 1.18.x
       - name: Login to Docker Hub
         uses: docker/login-action@v2
         with:

go.mod

@@ -1,6 +1,6 @@
 module github.com/containrrr/watchtower
 
-go 1.12
+go 1.18
 
 require (
 	github.com/containrrr/shoutrrr v0.6.1
@@ -22,6 +22,40 @@ require (
 )
 
 require (
+	github.com/Azure/go-ansiterm v0.0.0-20210617225240-d185dfc1b5a1 // indirect
+	github.com/beorn7/perks v1.0.1 // indirect
+	github.com/cespare/xxhash/v2 v2.1.1 // indirect
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/fatih/color v1.13.0 // indirect
+	github.com/fsnotify/fsnotify v1.5.4 // indirect
+	github.com/gogo/protobuf v1.3.2 // indirect
+	github.com/golang/protobuf v1.5.2 // indirect
+	github.com/google/go-cmp v0.5.8 // indirect
+	github.com/hashicorp/hcl v1.0.0 // indirect
+	github.com/inconshreveable/mousetrap v1.0.0 // indirect
+	github.com/magiconair/properties v1.8.6 // indirect
+	github.com/mattn/go-colorable v0.1.12 // indirect
+	github.com/mattn/go-isatty v0.0.14 // indirect
+	github.com/mitchellh/mapstructure v1.5.0 // indirect
+	github.com/nxadm/tail v1.4.8 // indirect
+	github.com/pelletier/go-toml v1.9.5 // indirect
+	github.com/pelletier/go-toml/v2 v2.0.1 // indirect
+	github.com/pkg/errors v0.9.1 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
+	github.com/prometheus/client_model v0.2.0 // indirect
+	github.com/prometheus/common v0.26.0 // indirect
+	github.com/prometheus/procfs v0.6.0 // indirect
+	github.com/spf13/afero v1.8.2 // indirect
+	github.com/spf13/cast v1.5.0 // indirect
+	github.com/spf13/jwalterweatherman v1.1.0 // indirect
+	github.com/stretchr/objx v0.4.0 // indirect
+	github.com/subosito/gotenv v1.3.0 // indirect
+	golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8 // indirect
+	google.golang.org/protobuf v1.28.0 // indirect
+	gopkg.in/ini.v1 v1.66.4 // indirect
+	gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 // indirect
+	gopkg.in/yaml.v2 v2.4.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
 	github.com/Microsoft/go-winio v0.4.17 // indirect
 	github.com/docker/docker-credential-helpers v0.6.1 // indirect
 	github.com/docker/go-units v0.4.0 // indirect