Add dependabot (#529)

* Add dependabot

Signed-off-by: Saswata Mukherjee <[email protected]>

* Bump cache

Signed-off-by: Saswata Mukherjee <[email protected]>

---------

Signed-off-by: Saswata Mukherjee <[email protected]>

Author: saswatamcode

.github/dependabot.yaml

@@ -0,0 +1,12 @@
+---
+version: 2
+updates:
+  - package-ecosystem: "gomod"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+    open-pull-requests-limit: 20
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule: 
+      interval: weekly

.github/workflows/docs.yaml

@@ -22,7 +22,7 @@ jobs:
         with:
           go-version: 1.18.x
 
-      - uses: actions/cache@v1
+      - uses: actions/cache@v3
         with:
           path: ~/go/pkg/mod
           key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}