LArClusterCellDumper JetTagDQA: Fix clang warnings

Fixes to clang warnings in the nightly

build area is cleaned as the previous build was for the MR labeled as full-build

This merge request affects 2 packages:

• LArCalorimeter/LArClusterCellDumper
• PhysicsAnalysis/JetTagging/JetTagValidation/JetTagDQA

Affected files list will not be printed in this case

Adding @pavol ,@bdong ,@dguest ,@lidiaz as watchers

added BTagging Derivation JetEtmiss LAr main review-pending-level-1 labels

CI Result SUCCESS (hash fb0b1ef3)

	Athena
externals
cmake
make
tests

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Athena: number of compilation errors 0, warnings 0
For experts only: Jenkins output [CI-MERGE-REQUEST-EL9 3836]

Looks good to me. Lucy (L1)

added review-approved label and removed review-pending-level-1 label

merged

mentioned in commit 871d3c26

mentioned in merge request !68468 (closed)