Fix govulncheck version

Author: galt-tr

.github/env/00-core.env

@@ -29,7 +29,8 @@ GO_PRIMARY_VERSION=1.24.x
 GO_SECONDARY_VERSION=1.24.x
 
 # Govulncheck-specific Go version for vulnerability scanning
-GOVULNCHECK_GO_VERSION=1.26.2
+# Use a patch-floating pattern so stdlib CVE fixes are picked up automatically
+GOVULNCHECK_GO_VERSION=1.26.x
 
 # ================================================================================================
 # 📦 GO MODULE CONFIGURATION