Update tech.py

Lower randomness.

Author: apex-omontgomery

pybot/endpoints/slack/event_messages/tech.py

@@ -53,7 +53,7 @@ def _filter_matches(self, lines: List[str], two_col_org_row: Pattern[str]) -> Ge
 class TechTerms:
     # shared across all instances
     TERMS = {}
-    ADD_GITHUB_CHANCE = 1
+    ADD_GITHUB_CHANCE = 0.25
 
     def __init__(self, channel: str, user: str, input_text: str, app):