chore: Apply suggestion

This was accidentally reverted.

Co-authored-by: Lars Francke <jujutsu@lars-francke.de>

Co-authored-by: Sebastian Bernauer <sebastian.bernauer@stackable.de>

Author: Techassi

crates/stackable-operator/src/eos/mod.rs

@@ -155,7 +155,7 @@ impl EndOfSupportChecker {
         tracing::warn!(
             eos.built.datetime = built_datetime,
             eos.build.age = build_age,
-            "This operator version was built on {built_datetime} ({build_age} ago) and may has reached end-of-support. \
+            "This operator version was built on {built_datetime} ({build_age} ago) and may have reached end-of-support. \
 Running unsupported versions may contain security vulnerabilities. \
 Please upgrade to a supported version as soon as possible."
         );