Bump psycopg2 from 2.7.6.1 to 2.7.7

[dependabot-preview]

Bumps psycopg2 from 2.7.6.1 to 2.7.7.

Changelog

Sourced from psycopg2's changelog.

Current release

What's new in psycopg 2.8

New features:

• Added ~psycopg2.errors module. Every PostgreSQL error is converted into
  a specific exception class (:ticket:#682).
• Added ~psycopg2.extensions.encrypt_password() function (:ticket:#576).
• Added ~psycopg2.extensions.BYTES adapter to manage databases with mixed
  encodings on Python 3 (:ticket:#835).
• Added ~psycopg2.extensions.Column.table_oid and
  ~psycopg2.extensions.Column.table_column attributes on cursor.description
  items (:ticket:#661).
• Added connection.info object to retrieve various PostgreSQL connection
  information (:ticket:#726).
• Added ~connection.get_native_connection() to expose the raw PGconn
  structure (:ticket:#782).
• ~psycopg2.sql.Identifier can represent qualified names in SQL composition
  (:ticket:#732).
• Added fetch parameter to ~psycopg2.extras.execute_values() function
  (:ticket:#813).
• Fixed adaptation of numeric subclasses such as ~enum.IntEnum
  (:ticket:#591).
• !str() on ~psycopg2.extras.Range produces a human-readable representation
  (:ticket:#773).
• ~psycopg2.extras.DictCursor and ~psycopg2.extras.RealDictCursor rows
  maintain columns order (:ticket:#177).
• Added ~psycopg2.extensions.Diagnostics.severity_nonlocalized attribute on
  the ~psycopg2.extensions.Diagnostics object (:ticket:#783).

Other changes:

• Dropped support for Python 2.6, 3.2, 3.3.
• Dropped psycopg1 module.
• Dropped deprecated !register_tstz_w_secs() (was previously a no-op).
• Dropped deprecated !PersistentConnectionPool. This pool class was mostly
  designed to interact with Zope. Use !ZPsycopgDA.pool instead.
• No longer use 2to3 during installation for Python 2 & 3 compatability. All
  source files are now compatible with Python 2 & 3 as is.
• The !psycopg2.test package is no longer installed by python setup.py install.

What's new in psycopg 2.7.7
^^^^^^^^^^^^^^^^^^^^^^^^^^^

• Cleanup of the cursor results assignment code, which might have solved

... (truncated)

Commits

• See full diff in compare view

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[coveralls]

Coverage remained the same at 77.06% when pulling a66ea48 on dependabot/pip/psycopg2-2.7.7 into 9a763be on master.

[codecov]

Codecov Report

Merging #84 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master      #84   +/-   ##
=======================================
  Coverage   71.72%   71.72%           
=======================================
  Files          12       12           
  Lines        1238     1238           
  Branches      174      174           
=======================================
  Hits          888      888           
  Misses        284      284           
  Partials       66       66

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