fix(deps): update dependency com.google.adk:google-adk to v0.8.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
com.google.adk:google-adk (source)	0.7.0 → 0.8.0

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[codacy-production]

Coverage summary from Codacy

See diff coverage on Codacy

Coverage variation	Diff coverage
✅ +0.00% (target: -1.00%)	✅ ∅

Coverage variation details

	Coverable lines	Covered lines	Coverage
Common ancestor commit (17e6e4d)	7419	5207	70.18%
Head commit (bd844c4)	7419 (+0)	5207 (+0)	70.18% (+0.00%)

Coverage variation is the difference between the coverage for the head and common ancestor commits of the pull request branch: <coverage of head commit> - <coverage of common ancestor commit>

Diff coverage details

	Coverable lines	Covered lines	Diff coverage
Pull request (#622)	0	0	∅ (not applicable)

Diff coverage is the percentage of lines that are covered by tests out of the coverable lines that the pull request added or modified: <covered lines added or modified>/<coverable lines added or modified> * 100%

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