Lower lockbot timeframe and add comment. (#850)

* Lower lockbot timeframe and add comment.

Resolves #849.

* Yaml!

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* Update to 6 months.

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

.github/workflows/lock.yml

@@ -20,7 +20,7 @@ jobs:
       - uses: dessant/lock-threads@1bf7ec25051fe7c00bdd17e6a7cf3d7bfb7dc771 # v5.0.1
         with:
           # Number of days of inactivity before a closed issue is locked
-          issue-inactive-days: 365
+          issue-inactive-days: 180
           # Do not lock issues created before a given timestamp, value must follow ISO 8601
           exclude-issue-created-before: ''
           # Do not lock issues with these labels, value must be a comma separated list of labels or ''
@@ -29,7 +29,6 @@ jobs:
           add-issue-labels: locked
           # Reason for locking an issue, value must be one of resolved, off-topic, too heated, spam or ''
           issue-lock-reason: resolved
-
           # Number of days of inactivity before a closed pull request is locked
           pr-inactive-days: 365
           # Do not lock pull requests created before a given timestamp, value must follow ISO 8601