chore: update bump-go workflow

. Fix path to repo for 'Bump Go' action
. Use and update the same PR until accepted, to reduce noise

.github/workflows/bump-go.yml

@@ -0,0 +1,27 @@
+name: Bump Go
+
+on:
+  schedule:
+    - cron: 00 7 * * *
+  push:
+    branches:
+      - master
+jobs:
+  bump-go:
+    runs-on: ubuntu-20.04
+    steps:
+      - name: Clone current repo
+        uses: actions/checkout@v2
+
+      - name: Ensure Go is up-to-date
+        id: bump-go
+        uses: BBVA/bump-go@main
+        with:
+          go-version-path: .github/versions/go
+
+      - name: Create pull request
+        uses: peter-evans/create-pull-request@v3
+        with:
+          title: Bump Go
+          commit-message: Bump Go to version '${{ steps.bump-go.outputs.go-version }}'
+          branch: bump-go/patch

.github/workflows/go-bump.yml

@@ -1,29 +0,0 @@
-name: Bump Go
-
-on:
-  schedule:
-    - cron: 00 7 * * *
-
-  push:
-    branches:
-      - master
-
-jobs:
-  go-bump:
-
-    runs-on: ubuntu-20.04
-
-    steps:
-      - name: Clone current repo
-        uses: actions/checkout@v2
-
-      - name: Bump Go
-        id: go-bump
-        uses: panchoh/go-bump@master
-
-      - name: Create pull request
-        uses: peter-evans/create-pull-request@v2
-        with:
-          title: ${{ steps.go-bump.outputs.pr-title }}
-          commit-message: ${{ steps.go-bump.outputs.pr-title }}
-          branch: ${{ steps.go-bump.outputs.branch-name }}