ci: no more copywrite tool

.github/dependabot.yaml

diff --git a/.github/dependabot.yaml b/.github/dependabot.yaml
index b5501e3..44db944 100644
--- a/.github/dependabot.yaml
+++ b/.github/dependabot.yaml
@@ -1,7 +1,15 @@
 version: 2
 updates:
-  - package-ecosystem: gomod
-    directory: "/"
+  - package-ecosystem: "github-actions"
+    directories:
+      - "/"
+    schedule:
+      interval: "monthly"
+    labels:
+      - "dependencies"
+  - package-ecosystem: "gomod"
+    directories:
+      - "/"
     schedule:
       interval: "monthly"
     labels:

.github/workflows/ci.yaml

diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index b7b4ba4..5a5ce66 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -1,14 +1,6 @@
 name: Run CI Tests
 on: [push]
 jobs:
-  run-copywrite:
-    runs-on: ubuntu-22.04
-    steps:
-      - uses: actions/checkout@v4
-      - uses: hashicorp/setup-copywrite@v1.1.2
-      - name: verify copyright
-        run: |
-          copywrite headers --plan
   run-lint:
     runs-on: [macos-latest]
     steps:
@@ -26,8 +18,8 @@
       fail-fast: false
       matrix:
         os:
-          - macos-11
-          - macos-12
+          - macos-15
+          - macos-26
           - ubuntu-22.04
     runs-on: ${{matrix.os}}
     steps: