Bump golang/go from go1.20.1 to 1.21.0 (#383)

* Bump golang/go from go1.20.1 to 1.21.0

Bumps [golang/go](https://github.com/golang/go) from go1.20.1 to 1.21.0. This release includes the previously tagged commit.
- [Commits](golang/go@go1.20.1...go1.21.0)

---
updated-dependencies:
- dependency-name: golang/go
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

* Update Go everywhere to latest major version 1.21

Also remove the out of date comment saying there is no `.0` patch
version.  [Since Go 1.21.0 there is a `.0` patch version][1].

[1]: https://go.dev/doc/go1.21#introduction

---------

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: John Boyes <[email protected]>

.devcontainer/Dockerfile

@@ -6,7 +6,7 @@
 # When we update the base image version (which we do manually, prompted by Dependabot
 # notifying us of a new Go version), make sure our new base images is listed at:
 # https://hub.docker.com/_/golang
-FROM golang:1.20.1-bullseye
+FROM golang:1.21.0-bullseye
 
 # This Dockerfile adds a non-root user with sudo access. Use the "remoteUser"
 # property in devcontainer.json to use it. On Linux, the container user's GID/UIDs

.github/workflows/dependabot_hack.yml

@@ -20,8 +20,7 @@ jobs:
       # 4. integration_test.yml
       # 5. virtual_test.yml
       # 6. the go.mod (if it is a major or minor version change e.g. 1.14 to 1.15)
-      # NB bear in mind there is no `.0` patch level version, i.e. use 1.15 not 1.15.0
-      - uses: golang/[email protected]
+      - uses: golang/[email protected]
 
       # update the versions in the devcontainer Dockerfile manually, too
       - uses: golang/tools@gopls/v0

.github/workflows/github_tag_and_release.yml

@@ -37,7 +37,7 @@ jobs:
         name: Set up Go
         uses: actions/setup-go@v4
         with:
-          go-version: 1.20.1
+          go-version: '1.21.0'
       -
         name: Run GoReleaser
         uses: goreleaser/[email protected]

.github/workflows/integration_test.yml

@@ -16,7 +16,7 @@ jobs:
       - name: Install Go
         uses: actions/setup-go@v4
         with:
-          go-version: 1.20.1
+          go-version: '1.21.0'
       - name: Checkout code
         uses: actions/checkout@v3
       - name: Tests

.github/workflows/virtual_test.yml

@@ -19,7 +19,7 @@ jobs:
       - name: Install Go
         uses: actions/setup-go@v4
         with:
-          go-version: 1.20.1
+          go-version: '1.21.0'
       - name: Checkout code
         uses: actions/checkout@v3
       - name: Install Hoverfly

Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.20.1-bullseye AS builder
+FROM golang:1.21.0-bullseye AS builder
 
 WORKDIR /src
 COPY . .

go.mod

@@ -1,7 +1,7 @@
 module github.com/agilepathway/label-checker
 
 // major and minor version only - don't specify at patch level (e.g. don't put 1.14.7)
-go 1.20
+go 1.21
 
 require (
 	github.com/shurcooL/githubv4 v0.0.0-20230215024106-420ad0987b9b