chore: update pr bot for v7.0 (pingcap#12627)

* chore: update pr bot for v7.0

* Update pull_request_template.md

.github/pull_request_template.md

@@ -19,6 +19,7 @@ By default, **CHOOSE MASTER ONLY** so your changes will be applied to the next T
 For details, see [tips for choosing the affected versions](https://github.com/pingcap/docs/blob/master/CONTRIBUTING.md#guideline-for-choosing-the-affected-versions).
 
 - [ ] master (the latest development version)
+- [ ] v7.0 (TiDB 7.0 versions)
 - [ ] v6.6 (TiDB 6.6 versions)
 - [ ] v6.5 (TiDB 6.5 versions)
 - [ ] v6.4 (TiDB 6.4 versions)

scripts/pr_reminder_basedon_assignee.py

@@ -9,7 +9,7 @@
 docs_url = 'https://github.com/pingcap/docs/pulls?q=is%3Apr'
 open_url = '+is%3Aopen+is%3Apr'
 close_url = '+is%3Aclosed+label%3Atranslation%2Fdoing'
-ver_no = '+label%3Av6.6'
+ver_no = '+label%3Av7.0'
 type_compatibility_change = '+label%3Atype%2Fcompatibility-or-feature-change'
 type_oncall = '+label%3AONCALL'
 type_bugfix = '+label%3Atype%2Fbug-fix'
@@ -234,7 +234,7 @@ def pop_zero_value(**data):
                         [
                             {
                                 "tag": "text",
-                                "text": "v6.6 发版文档，中英文截止日期 2023-02-08，预计发版日期 2023-02-16"
+                                "text": "v7.0 发版文档，中英文截止日期 2023-03-22，预计发版日期 2023-03-30"
                             }
                         ],
                         [