feat(dynamic-sampling): Add new patterns to match health checks (#68880)

Author: Riccardo Busetti

src/sentry/constants.py

@@ -705,6 +705,8 @@ def from_str(cls, string: str) -> int:
     "*/health",
     "*/healthy",
     "*/healthz",
+    "*/_health",
+    r"*/\[_health\]",
     "*/live",
     "*/livez",
     "*/ready",

tests/sentry/relay/snapshots/test_config/test_get_project_config/full_config/MONOLITH.pysnap

@@ -92,6 +92,8 @@ config:
       - '*/health'
       - '*/healthy'
       - '*/healthz'
+      - '*/_health'
+      - '*/\[_health\]'
       - '*/live'
       - '*/livez'
       - '*/ready'

tests/sentry/relay/snapshots/test_config/test_get_project_config/full_config/REGION.pysnap

@@ -93,6 +93,8 @@ config:
       - '*/health'
       - '*/healthy'
       - '*/healthz'
+      - '*/_health'
+      - '*/\[_health\]'
       - '*/live'
       - '*/livez'
       - '*/ready'