fix: add keep label to exempt-pr-labels and exempt-issue-labels (#76)

Signed-off-by: jmeridth <[email protected]>

Author: jmeridth

.github/workflows/stale.yaml

@@ -27,7 +27,7 @@ jobs:
           days-before-issue-stale: 10
           days-before-issue-close: 5
           stale-issue-label: "no-issue-activity"
-          exempt-issue-labels: "awaiting-approval,work-in-progress"
+          exempt-issue-labels: "awaiting-approval,work-in-progress,keep"
           stale-pr-message: >
             This PR is stale because it has been open 20 days with no activity.
             Replace the `no-pr-activity` label with a `work-in-progress` label or comment or
@@ -37,5 +37,5 @@ jobs:
           days-before-pr-stale: 20
           days-before-pr-close: 5
           stale-pr-label: "no-pr-activity"
-          exempt-pr-labels: "awaiting-approval,work-in-progress,dependencies"
+          exempt-pr-labels: "awaiting-approval,work-in-progress,dependencies,keep"
           exempt-pr-assignees: "snyk-github"