Bump to gophercloud v2.0.0-beta.1 + CI Hygiene

.github/dependabot.yaml

@@ -0,0 +1,12 @@
+version: 2
+updates:
+- package-ecosystem: gomod
+  directory: "/"
+  schedule:
+    interval: daily
+  open-pull-requests-limit: 10
+- package-ecosystem: "github-actions"
+  directory: "/"
+  schedule: 
+    interval: daily
+  open-pull-requests-limit: 10

.github/workflows/unit.yml

@@ -2,32 +2,31 @@ on: [push, pull_request]
 name: Unit Testing
 jobs:
   test:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     strategy:
       fail-fast: false
       matrix:
         go-version:
-          - "1.15"
+          - "1.21"
 
     env:
       GO111MODULE: "on"
 
     steps:
       - name: Setup Go ${{ matrix.go-version }}
-        uses: actions/setup-go@v2
+        uses: actions/setup-go@v5
         with:
           go-version: ${{ matrix.go-version }}
 
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - name: Setup environment
         run: |
           # Changing into a different directory to avoid polluting go.sum with "go get"
           cd "$(mktemp -d)"
           go mod init unit_tests
 
-          # Pin to a version that Go v1.15 supports
-          go get golang.org/x/tools/cmd/[email protected]
+          go install golang.org/x/tools/cmd/goimports@latest
 
       - name: Run go vet
         run: |