Bumps version to 1.11.2-SNAPSHOT

[tgregg]

NOTE: the v1.11.1 release did not include all commits present on the master branch at the time of release. The following commits were excluded from 1.11.1 and will be included in a future release:

• Implements patch list as a single contiguous array of reusable PatchPoint instances. #521
• Remove the repeated logic of the method that overwrites the lower nibble of container type descriptor. #548
• Adds support for writing Ion 1.1 null, bool, int, and float binary encoding #612
• Adds support for writing binary Ion 1.1 timestamps #618
• Adds support for writing Ion 1.1 decimal binary encoding #636
• Adds support for text and lob types and some annotations #637
• Enable configurable write buffer block size. #650
• Enable auto-flush in ion binary writer. #651

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (b71a6e2) 67.23% compared to head (0ab333e) 67.23%.

Additional details and impacted files

@@            Coverage Diff            @@
##             master     #701   +/-   ##
=========================================
  Coverage     67.23%   67.23%           
- Complexity     5485     5486    +1     
=========================================
  Files           159      159           
  Lines         23027    23027           
  Branches       4128     4128           
=========================================
  Hits          15483    15483           
  Misses         6261     6261           
  Partials       1283     1283           

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