Bump Apache Beam SDK from 2.74.0 to 2.76.0

[shnapz]

Bump Apache Beam SDK from 2.74.0 to 2.76.0 and align transitive dependency versions.

Dependency changes

Property	Old	New
beam.version	2.74.0	2.76.0
jackson.version	2.18.3	2.18.8
netty.version	4.1.130.Final	4.1.132.Final
google-cloud-libraries-bom.version	26.80.0	26.85.0

All other pinned transitive dependencies (avro, guava, slf4j, checker-qual, commons-codec, commons-compress, errorprone, hamcrest, httpclient/httpcore, joda-time, threetenbp, zstd-jni, opencensus) were already at or above the versions used by Beam 2.76 and did not require changes.

Testing

mvn verify passes (unit + integration tests).

Checklist for PR author(s)

• Changes are covered by unit tests (no major decrease in code coverage %) and/or integration tests.
• Ensure code formating (use mvn com.coveo:fmt-maven-plugin:format org.codehaus.mojo:license-maven-plugin:update-file-header)
• Document any relevant additions/changes in the appropriate spot in javadocs/docs/README.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 91.87%. Comparing base (81acc56) to head (d92f721).

Additional details and impacted files

@@            Coverage Diff            @@
##             master    #1043   +/-   ##
=========================================
  Coverage     91.87%   91.87%           
  Complexity      288      288           
=========================================
  Files            27       27           
  Lines          1034     1034           
  Branches         90       90           
=========================================
  Hits            950      950           
  Misses           55       55           
  Partials         29       29           

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