Loosen dependency restriction by allowing Bolts newer than 1.1.0

This should fix the following problem:

19:21:22 + pod update
19:21:23 Update all pods
19:21:23 Analyzing dependencies

19:21:51 Downloading dependencies
19:21:51 Installing Bolts (1.1.0)

19:21:52 [!] /usr/bin/git fetch origin tags/v1.1.0 2>&1
19:21:52 
19:21:52 fatal: Couldn't find remote ref tags/v1.1.0
19:21:52 
19:21:52 fatal: The remote end hung up unexpectedly
19:21:52 Build step 'Execute shell' marked build as failure