Update build (#245)

* Update Go minimum to 1.22.
* Enable dependabot for github actions.
* Bump promci action.

Signed-off-by: SuperQ <superq@gmail.com>

.github/dependabot.yml

@@ -4,3 +4,7 @@ updates:
     directory: "/"
     schedule:
       interval: "monthly"
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "monthly"

.github/workflows/ci.yml

@@ -7,7 +7,9 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        go_version: ["1.21", "1.22"]
+        go_version:
+          - "1.22"
+          - "1.23"
     container:
       image: quay.io/prometheus/golang-builder:${{ matrix.go_version }}-base
     env:
@@ -16,6 +18,6 @@ jobs:
     steps:
       - name: Checkout repository
         uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
-      - uses: prometheus/promci@v0.0.2
+      - uses: prometheus/promci@45166329da36d74895901808f1c8c97efafc7f84 # v0.3.0
       - uses: ./.github/promci/actions/setup_environment
       - run: make test

go.mod

@@ -1,6 +1,6 @@
 module github.com/prometheus/exporter-toolkit
 
-go 1.21
+go 1.22
 
 require (
 	github.com/alecthomas/kingpin/v2 v2.4.0