chore: re-enable dependabot with 2-day cooldown (#269)

re-enable dependabot with 2-day cooldown

Rename .disabled configs back and add cooldown: default-days: 2

Signed-off-by: Moe Zein <moe.zein@datadoghq.com>

Author: moezein0

.github/dependabot.yaml.disabled .github/dependabot.yaml.github/dependabot.yaml.disabled renamed to .github/dependabot.yaml

@@ -5,3 +5,5 @@ updates:
     schedule:
       interval: weekly
     open-pull-requests-limit: 100
+    cooldown:
+      default-days: 2