Update Go to 1.24.5 (#30770)

## #30730 
- Update Go version
- Update the docs for this process
- Confirmed `fleet`, `fleetctl`, and related docker images build
successfully
- Note that failing tests are unrelated: see [Slack
thread](https://fleetdm.slack.com/archives/C019WG4GH0A/p1752175318523689)

---------

Co-authored-by: Jacob Shandling <jacob@fleetdm.com>

Dockerfile-desktop-linux

@@ -1,4 +1,4 @@
-FROM --platform=linux/amd64 golang:1.24.4-bullseye@sha256:dfd72198d14bc22f270c9e000c304a2ffd19f5a5f693fad82643311afdc6b568
+FROM --platform=linux/amd64 golang:1.24.5-bullseye@sha256:254c0d1f13aad57bb210caa9e049deaee17ab7b8a976dba755cba1adf3fbe291
 LABEL maintainer="Fleet Developers"
 
 RUN mkdir -p /usr/src/fleet

changes/update-go-1.24.5

@@ -0,0 +1 @@
+* Updated go to 1.24.5

docs/Contributing/workflows/upgrading-go-version.md

@@ -14,7 +14,11 @@ See the "Go linter" section below about upgrading the Go linter version.
 
 ## Upgrading go for all Fleet
 
-Run `make update-go version={target_version}` (for example, `make update-go version=1.24.5`) and update the SHA256 of the updated Dockerfiles manually.
+1. Run `make update-go version={target_version}` (for example, `make update-go version=1.24.5`)
+2. Manually update the index digest sha256 of the updated Dockerfiles with the updated value of the
+   relevant OS/Arch of the official Docker image from
+   https://hub.docker.com/_/golang/tags?name=<image_for_the_dockerfile> (e.g.,
+   `https://hub.docker.com/_/golang/tags?name=1.24.5-bullseye` when upgrading to 1.24.5)
 
 ### Go Linter
 
@@ -27,7 +31,7 @@ Update the instructions in the [Testing and local development doc](https://githu
 1. Build `fleet` and `fleetctl` using `make build`. 
 2. Verify that `fleet serve` runs, the site is accessible, and basic API/db functionality works (try creating a new team, query and policy)
 3. Verify that `fleetctl` works by using `fleetctl get config`
-4. Run `make go-lint` locally to find and fix any new issues.
+4. Run `make lint-go` locally to find and fix any new issues.
 5. Create a draft pull request from your branch and verify that tests pass.
 
 ## Updating this guide

go.mod

@@ -1,6 +1,6 @@
 module github.com/fleetdm/fleet/v4
 
-go 1.24.4
+go 1.24.5
 
 require (
 	cloud.google.com/go/pubsub v1.45.1

infrastructure/loadtesting/terraform/docker/loadtest.Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.24.4-alpine3.21@sha256:56a23791af0f77c87b049230ead03bd8c3ad41683415ea4595e84ce7eada121a
+FROM golang:1.24.5-alpine3.21@sha256:933e5a0829a1f97cc99917e3b799ebe450af30236f5a023a3583d26b5ef9166f
 ARG TAG
 RUN apk add git
 RUN git clone -b $TAG --depth=1 --no-tags --progress --no-recurse-submodules https://github.com/fleetdm/fleet.git && cd /go/fleet/cmd/osquery-perf/ && go build .

orbit/changes/update-go-1.24.5

@@ -0,0 +1 @@
+* Updated go to 1.24.5

tools/mdm/migration/mdmproxy/Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.24.4-alpine3.21@sha256:56a23791af0f77c87b049230ead03bd8c3ad41683415ea4595e84ce7eada121a
+FROM golang:1.24.5-alpine3.21@sha256:933e5a0829a1f97cc99917e3b799ebe450af30236f5a023a3583d26b5ef9166f
 ARG TAG
 RUN apk update && apk add --no-cache git
 RUN git clone -b $TAG --depth=1 --no-tags --progress --no-recurse-submodules https://github.com/fleetdm/fleet.git && cd /go/fleet/tools/mdm/migration/mdmproxy && go build .

tools/mdm/windows/bitlocker/go.mod

@@ -1,6 +1,6 @@
 module bitlocker
 
-go 1.24.4
+go 1.24.5
 
 require github.com/go-ole/go-ole v1.3.0
 

tools/snapshot/go.mod

@@ -1,6 +1,6 @@
 module github.com/fleetdm/fleet/v4/tools/snapshot
 
-go 1.24.4
+go 1.24.5
 
 require (
 	github.com/manifoldco/promptui v0.9.0

tools/terraform/go.mod

@@ -1,6 +1,6 @@
 module terraform-provider-fleetdm
 
-go 1.24.4
+go 1.24.5
 
 require (
 	github.com/hashicorp/terraform-plugin-framework v1.7.0