renovate: update Go version in action.yaml

Follow up for #2871

Signed-off-by: Tobias Klauser <tobias@cilium.io>

Author: tklauser

.github/renovate.json5

@@ -190,7 +190,8 @@
   "regexManagers": [
     {
       "fileMatch": [
-        "^\\.github/workflows/[^/]+\\.yaml$"
+        "^\\.github/workflows/[^/]+\\.yaml$",
+	"^action.yaml$"
       ],
       // This regex manages version strings in GitHub actions workflow files,
       // similar to the examples shown here:

action.yaml

@@ -58,7 +58,8 @@ runs:
       uses: actions/setup-go@41dfa10bad2bb2ae585af6ee5bb4d7d973ad74ed # v5.1.0
       if: ${{ steps.build-cli.outputs.path != '' }}
       with:
-        go-version: '1.23.3'
+        # renovate: datasource=golang-version depName=go
+        go-version: 1.23.3
         cache: true
         cache-dependency-path: '${{ steps.build-cli.outputs.go-sum-path }}'