chore(issues): Enable stronger typing on two endpoints

This is another quick follow up to #69828 since these two type errors
are trivial to resolve.

pyproject.toml

@@ -573,6 +573,8 @@ module = [
     "sentry.issues.constants",
     "sentry.issues.endpoints",
     "sentry.issues.endpoints.group_events",
+    "sentry.issues.endpoints.organization_activity",
+    "sentry.issues.endpoints.organization_release_previous_commits",
     "sentry.issues.endpoints.project_stacktrace_link",
     "sentry.issues.escalating_group_forecast",
     "sentry.issues.escalating_issues_alg",

src/sentry/issues/endpoints/organization_activity.py

@@ -11,6 +11,8 @@
 from sentry.api.paginator import DateTimePaginator
 from sentry.api.serializers import OrganizationActivitySerializer, serialize
 from sentry.models.activity import Activity
+from sentry.models.organization import Organization
+from sentry.models.organizationmember import OrganizationMember
 from sentry.models.organizationmemberteam import OrganizationMemberTeam
 from sentry.models.project import Project
 from sentry.types.activity import ActivityType
@@ -28,7 +30,9 @@ class OrganizationActivityEndpoint(OrganizationMemberEndpoint, EnvironmentMixin)
         "Activities for each issue at 'GET /api/0/organizations/{organization_slug}/issues/{issue_id}/activities/'",
         "api.organization-activity.brownout",
     )
-    def get(self, request: Request, organization, member) -> Response:
+    def get(
+        self, request: Request, organization: Organization, member: OrganizationMember
+    ) -> Response:
         # There is an activity record created for both sides of the unmerge
         # operation, so we only need to include one of them here to avoid
         # showing the same entry twice.

src/sentry/issues/endpoints/organization_release_previous_commits.py

@@ -8,6 +8,7 @@
 from sentry.api.bases.organization import OrganizationReleasesBaseEndpoint
 from sentry.api.exceptions import ResourceDoesNotExist
 from sentry.api.serializers import serialize
+from sentry.models.organization import Organization
 from sentry.models.release import Release
 from sentry.ratelimits.config import RateLimitConfig
 
@@ -20,7 +21,7 @@ class OrganizationReleasePreviousCommitsEndpoint(OrganizationReleasesBaseEndpoin
     owner = ApiOwner.ISSUES
     rate_limits = RateLimitConfig(group="CLI")
 
-    def get(self, request: Request, organization, version) -> Response:
+    def get(self, request: Request, organization: Organization, version: str) -> Response:
         """
         Retrieve an Organization's Most Recent Release with Commits
         ````````````````````````````````````````````````````````````