Update VERSION_LINUX_SDK (#26795)

Fix mistaken file extension inclusion

Will land TBR @mklim or @Hixie
diff --git a/dev/bots/VERSION_LINUX_SDK b/dev/bots/VERSION_LINUX_SDK
index 4e9f86f..c44dce3 100644
--- a/dev/bots/VERSION_LINUX_SDK
+++ b/dev/bots/VERSION_LINUX_SDK
@@ -1 +1 @@
-7690a8ffe9ad4e7e65382c721bc1d8ba0e3829ef.tar.gz
+7690a8ffe9ad4e7e65382c721bc1d8ba0e3829ef