Backport/reproducible builds (#8381)

* fix reproducible builds (#8300)
* fix library file path (#8301)

Co-authored-by: SaReN <sahithnarahari@gmail.com>
Co-authored-by: Alessio Treglia <alessio@tendermint.com>

.build.sh

@@ -11,7 +11,7 @@ set -ue
 # - DEBUG
 
 # Source builder's functions library
-. /usr/local/share/cosmos-sdk/buildlib.sh
+. /usr/local/share/tendermint/buildlib.sh
 
 # These variables are now available
 # - BASEDIR