[FAB-8424] Fix fabric-samples checkout instruction
[FAB-8424] Fix fabric-samples checkout instruction

Fix fabric-samples instructions to cd into
repository before checkout of tag.

Change-Id: I273afb103ea2afe38342bad997d6e1fa8f47b725
Signed-off-by: David Enyeart <3d699cfec69cc11a9ba1c3a1aef3260ab163489b@us.ibm.com>

xixuejia/fabric,muralisrini/fabric,stemlending/fabric,stemlending/fabric,manish-sethi/fabric-sidedb,hyperledger/fabric,manish-sethi/fabric-sidedb,manish-sethi/fabric,manish-sethi/fabric-sidedb,stemlending/fabric,manish-sethi/fabric-sidedb,muralisrini/fabric,jimthematrix/fabric,jimthematrix/fabric,manish-sethi/fabric-sidedb,manish-sethi/fabric,muralisrini/fabric,binhn/fabric,binhn/fabric,manish-sethi/fabric-sidedb,manish-sethi/fabric-sidedb,xixuejia/fabric,xixuejia/fabric,hyperledger/fabric,stemlending/fabric,binhn/fabric