chore(ci): add dependabot hook, group dependabot PRs (#207)

* Groups dependabot fixes
* Adds a hook for running uv.lock

Signed-off-by: Matt Kornfield <mkornfield@nvidia.com>

Author: mckornfield

.github/dependabot.yml

@@ -3,14 +3,27 @@
 
 version: 2
 updates:
-  - package-ecosystem: "pip"
+  - package-ecosystem: "uv"
     directory: "/"
     schedule:
       interval: "weekly"
     open-pull-requests-limit: 5
+    commit-message:
+      prefix: "chore(deps)"
 
   - package-ecosystem: "github-actions"
     directory: "/"
     schedule:
       interval: "weekly"
-    open-pull-requests-limit: 5
+    open-pull-requests-limit: 10
+    commit-message:
+      prefix: "chore(ci)"
+    groups:
+      fw-ci-templates:
+        patterns:
+          - "NVIDIA-NeMo/FW-CI-templates"
+      github-actions:
+        patterns:
+          - "actions/*"
+          - "astral-sh/*"
+          - "codecov/*"